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Mike Brooks Gunbuilding Tutorial

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A Gunbuilding Tutorial by Mike Brooks

Here's how I do it, others may do this differently. Over the next couple weeks we're going to build a gun. If you have any questions just ask along the way. It has a .40 cal 45 3/4" getz swamped barrel. Chambers Virginia lock and Goehring mounts. This first picture is straight out of the box from Fred Miller. Barrel channel, Ram rod chanel and RR hole are already done.

This one is after the stock has been ban sawed to my pattern profile.

The barrel has been seated here and we're ready to inlet the brech plug.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks1.html

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Mike Brooks Gunbuilding Tutorial

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The next step is to shape the tang. I've choosen a thumb nail design and drawn it on, ready to hack saw and file it to shape.

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The VIOLA! it's ready to let into the stock.

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I've chopped in the bolster for the plug so we can start to set it on in.

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This is the completed inlet for the breech plug.

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This is how it looks all put together.

Tomorrow we're making underlugs and dovetailing them in and drilling the pins in and then probably we'll inlet the lock too and bolt that in. Today we're going to start with making under lugs for the barrel. I start with brass that is roughly .030 and I cut it in strips that look to be about 3/8" wide. After several bends they look like underlugs.... I hope you'll get the idea from the pictures.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks1.html

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Mike Brooks Gunbuilding Tutorial

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks1.html

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Did everyone get how to make these? Here's a high quality blurry picture of the lug getting the dovetail bevel filed in.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks1.html

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Here's where most people become unhinged. :shocked2: Time to saw in the slots for the lugs. make a series of cuts with your trusty hack saw then file out what's left. Then take your three cornered file and cut the under cuts for the dove tail and fit and try till your lug fits the slot and stake it in and clean off the excess hanging over the sides.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks1.html

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Mike Brooks Gunbuilding Tutorial

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At this point file the tops of the lugs flat and hit them with some inletting black and put the barrel back in the stock so they marke where they'll sit in the barrel channel.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks1.html

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Mike Brooks Gunbuilding Tutorial

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Then I made this handy dandy depth drill out of one of those nift all in one hinge driller thingies. Anyway, I've got this set right at the depth of the higth of my lugs. Dril a series of holes making your slot about 1/8" long on both ends to allow for barrel/stock expansion.

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Mike Brooks Gunbuilding Tutorial

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Then get out your 18th century high speed sloting machine and hog out the webs left over from drilling.

Should end up looking like this... Do this for all your lugs then clamb the barrel in the stock and see if your slots are deep enough.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks1.html

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Mike Brooks Gunbuilding Tutorial

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If you'll notice in the background there's a gun with a horse head patch box I've been working on in the evenings while you guys are loafing.... :winking: Ok, our barrel is clamped in and now we scribe a line on the top line of the stock.

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Mike Brooks Gunbuilding Tutorial

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Then remove the barrel out of the stock and measure form the scribe ine down to where you want your pin to go thru.

Then transfer those measurements onto the side of the stock and mark and punch the "spot". I drill mine with a hand drill and a 1/16" drill bit.

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Mike Brooks Gunbuilding Tutorial

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Get it all lined up by eye, hold your toungue just right and stand on you left foot and drill your pin holes thru...

I hit 100% just where I wanted them to go. :blah: Time to set in the lock. At this point I've filed the bolster flat where it will rest against the barrel and filed a little draft on the lock plate edges. The lock needs a 1/4" of wood to inlet it into, so I leave a liitle leeway here and leave 3/8" of wood after I band saw off the extra. This picture shows the lines that represent 3/8 of stock that will be left. You'll notice how a swamped barrel naturally kicks the tail of the lock out.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks1.html

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Now I lay my lock on the stock wher I want it. I've got the bottom of the barrel marked on the stock and I orient the lock so the lock screw will pas just under the barrel. The other reference point is the mark where the vent will later go. I center tha pan and get it in realtion in heigth to where it should go. Then i draw a pencil line around the bolster.

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Then I chop out the area the bolster will occupy, then fit the lock down so the bolster fits in the inlet I made for it. Usually a couple fit and trys till it gets where I want it to be.

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Now the lock is setting precisely where I want it to be and I draw a pencil line around it.

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Time to set in the inlet. I use a 3/16 chisel that You see here. Stay inside the line and go all the way around the lock. I use a shallow gouge for the lock nose.

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Then chop out the wood. A 1/2" chisel and a mallet is handy here.

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Once you get the first layer out , tap in the lock and see where you're at.

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Here's the fist print of inletting black. Frome this point on it's just fit and try over and over till you get the lock bolster resting against the barrel. Only remove the black on the lock edges, otherwise you'll end up with a sloppy lock fit. Most people go wrong here by using too little or too much inletting black. I put it on only in athickness that you can't actuall measure, but will still leave an obvious print. Too much black is the WORST.

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Ok, the lock is now down and the bolster is resting against the barrel.

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Here's the finished inlet.

Now thake the whole thing over to the drill press and drill and tap your lock bolts in.

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Now mark where all of you lock gut are going to go.

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Now remove your lock and lay the bridle over the marked spots and trace around it.

I use a 5/6" foresner bit to remove the bulk of the wood. Just kind stay inside your lines more or less and only go as deep as you need to.

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Remove the wood that gets in the way as you add the rest of the lock pieces one at a time. this next picture shows thatr all the guts of the lock are inlet except for the mainspring, and that has just been hogged out with the forestner bit.

This last picture is the finished lock mortise.

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I'm sure I didn't make some of this clear enough, so ask as many questions as you like. Tomorrow is BUTTPLATE DAY!

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A Gunbuilding Tutorial by Mike Brooks



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Ok, here we go with the buttplate. Firsty you got to figure out what your trigger pull is going to be by placing the triggers on the side of the stock where they will (hopefully) end up. Then measure and mark where your buttplate should end up , 14 1/4" pull in thei case. Then lay your buttplate on the stock and tace around the inside of it. Now flip you stock over and establish your center line and cast off. I start cast off at the end of the breech tang. I was only able to get about 1/16" with this stock and Buttplate combo.

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Then band saw off the wood you need to take off to start inletting your buttplate.

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Here you can see we're well on the way to getting this thing near fitting.

Now we have it close enouph to screw down. You'll see a few gaps that are left, then

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the next picture shows these gaps are gone afte I've peaned the edge with a hammer to close everything up. I bent and tweaked this butplate a couple times to get it to conform more to the stock. There are no hard and fast rules here, just show the buttplate who's boss and get it to go where you want.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks2.html

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Now it's time to get ready to inlet the triggers. This gun is getting a set of L&R triggers. First level out the bottom of the forestock down to the final level it will have when finished. Then strike a centerline from the rear ram rod pipe area tothe buttplate. There will be some cast off involved here again.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks2.html

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Now lay out your triggers , trigger guard and tang screw out and move these all around till you can ge everything to work right. I had to gring some of the rear trigger off to shorten it and bend and file the trigger guard bow out. I also had to cut off both ends of the trigger plate....then it finally all worked out.

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Now strip your trigger plate and mark out on the stock where it needs to go and start the inletting procedure just like we did on the lock.

Inlet the plate and all the guts and get the guts so they work properly. I always put a

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks2.html

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Mike Brooks Gunbuilding Tutorial

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wood screw in the rear off the trigger plate to keep it in place. Once all of that's in it's time to drill the tang screw thru, Center punch the tang and the trigger plate where you want them to go. The screw should be 90 degrees to the tang. Here's my drilling jig gizmo, I think it's self explanitory, if not ask what ever questions you need so we can all get it figured out.

Here's the gun in the rig, ready to be drilled. The bottom centering pillar is in the punch mark in the trigger plate at this point. Clearnce drill from the top, then flip it over and use your tap drill to go into the trigger plate.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks2.html

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Now, run your tap down thru the stock and tap the threads into your tigger plate, then counter sink the tang using the drill press jig.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks2.html

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Here's a picture of the trigger installed and bolted in, then a view of the tang and tang screw.

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Tomorrow will mess around with the trigger guard. But, I'll warn you it's going to be 50 degrees here tomorrow and I'm likely to be in the barn most of the day building chicken pens for the Old English Games I have coming from New York next week. :thumbsup: Well after many delays and obligations we're finally back to gunbuilding. Here we go with the trigger guard. Fill a little draft on the edges and drill a series of holes for the lug on the forward extension to fit into.

Once you get your hole dug out, place the guard where it needs to go and draw around it. Before you do this you should do any bending you need to do to get the rear finial to line up with your cast off.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks2.html

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Here we are with the lug hole chopped in and the pencil line around the guard finial.

The go ahead and inlet it down to where it needs to be. The last picture shows the inlet when it's finished.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks2.html

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Measure the lug on the guard and figure out where your pin should go thru, Then place the guard in the stock, clamp it down measure where and mark where you need to drill , then drill your pin hole thru.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks2.html

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Mike Brooks Gunbuilding Tutorial

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Here we are with the trigger guard fully inlet and pined and screwed in. The chunk of brass on the left is how much I cut off of the back end of the guard. Somehow I completely missed showing the inletting of the rear extension. It's done after you get the fron fully inlet, and clamped down with a C clamp. Then just draw around it and inlet it like the front. I chose to use a wood screw to hold the rear finial.

I file and polish as much of the trigger guard as I can at this stage while it is secured to the stock. It's just an easy way to hold the guard while you work on it. (I HATE filing and polishing brass)

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks2.html

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Now we're ready to install the pipes. First take the wood down on the bottompart of the upper forestock so you end up showing a little more than 1/2 of the ram rod. I take it of quckly with a cabinet rasp if I don't have to take much off.

I get my pipes as blanks or "kits" from MSB. I solder the tabs closed then shorten the tab to a reasonable length.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks2.html

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I cut my slot for the tab then rasp an 45 degree angle on the stock for the pipe to lay against. I also round the stock a bit in this area when I start too. I get the front started then just keep on inlaying the rear straight down.

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At this point I got tired and hung up my chisel for the day. Tomorrow we'll finish the pipes and start the fun stuff... shaping the stock! :thumbsup: Ok, on with the rear pipe. Just keep inleting the rear extension down till you get it all the way down and level with the forestock. The first picture shows almost there, then the final fit as it is all the way in. The last picture shows the finished inlet with out the pipe.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks2.html

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A Gunbuilding Tutorial by Mike Brooks



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Now we're ready to put in the upper pipes which is easy compared to the rear pipe. I postition the upper pipe a little ways back from the forward barrel pin and then i position the middle one by measuring the distance between the forward pipe and the rear and putting it in the middle of those two pipes.

Slot your ram rod channel for the tab, place the pipe in and draw around it, then inlet it down untill it is flush with the bottom of thr RR channel.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks3.html

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Mike Brooks Gunbuilding Tutorial

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Now, clamp your pipes down and scrib a short line on the side, take the pipe out and measure where you want the pin to go, reinstall and clamp the pie , measure on the side of the stock where you pin will go thru, mark it and drill it.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks3.html

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Mike Brooks Gunbuilding Tutorial

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Ok, now for what you've all been waiting for! Time to make this square block of wood with the various parts attatched look like a gun. I start with the lock area. I install the lock and bolt it down. Then relieve the extra wood away with a chisel down to the bevel on the lock. This gives you a guide as to how much wood you have to rasp away.

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Mike Brooks Gunbuilding Tutorial

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Here we are with the wood rasped away and the lock panel area at the correct and finished level.

Ok, now we measure how far from the centerline the lock panel is and transfer that measurement on to the off side lock panel.

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In the next picture the profiles have been established in pencil. In this case the tails of the lock panels ended up to be about 1 3/4" , I decided to make the smalest part of the wrist 1 7/16 for no, this may chang some later as I see how all of this looks. The butt plate is 2 1/6" wide.

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Now, transfer all of these measurements to the top side.

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Mike Brooks Gunbuilding Tutorial

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And don't forget to leave wood for your cheek piece!

Then, take your stock over to your trusty band saw and saw off all the extra wood, I stay 1bout an 1/8" outside of the line because with 5" or more of your blade showing it likes to twist and bobble and wander from where it's supposed to be. here's what it looks like fresh from the saw. had a bobble on the right side near the butt plate, but as you'll see later it's gone by the time I shape the stock round in that area.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks3.html

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Mike Brooks Gunbuilding Tutorial

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Now we're going to start to round things up a bit. Draw out how you want your lock panel to look. and rasp down to that line.

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Mike Brooks Gunbuilding Tutorial

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here's the finished lock area....I often come back to this ond other areas to tweak them as I notice things out of kilter.

Now git you a piece of paper to use as a carbon paper. Lay it over your finished lock area and trace the edges. Flip the paper over and transfer the line thru on the other side, then flip your paper over again and scribble a bunch more pencil lead over your original line to transfer the line to your stock.

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Mike Brooks Gunbuilding Tutorial

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Then carefully measure and position your nifty piece of paper into the correct positon and trace the line on the paper, thus transfering the line to your stock....

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Mike Brooks Gunbuilding Tutorial

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Now rasp away all the wood on the outside of your lock panel, making it look the same shape as the lock side .

Now it's time to start shaping the buttstock. You can use any tool you want to do this, but I use a plane to do quite a bit of it now a days. Any

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Mike Brooks Gunbuilding Tutorial

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time I rasp I have to wear a mask (severe dust allergies), and I find that to be a pain in the butt, so I plane all I can. Anyway, I start by removing wood down to my comb line and the toe line. I get real close to the line with the plane, then rasp down the rest of the way. Alway keep a centerline drawn on your stock to keep a reference point as to where the center is.

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Always use a straight edge to keep your high an low bumps and dips to a minimum.

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Now it's time to flip the stock over and work on the cheek piece side. I've used the plane here to remove the bulk of the wood between the comb and the cheek piece.

Now we have to set the bottom of the cheek piece in, so get your little saw and saw straight down, somewhere near where you think it ought to be. I might have to deepen this cut a time or two as I shape the buttstock out.

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Now, chisel away the excess wood.

Here's how it looks with the excess wood chiseled away.

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And, here's the buttstock roughed out alittle more with a 1" chisel and a little more planing.

Ok, here we go. In this picture I've got the cheek piece side pretty well shaped up with a #49 cabinet rasp The cheeckpiece has also been reduced in heigth with the plane.

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Now I'm going to hollow out the area where the comb meets the wrist. I use one of those round sure form files followed by a barrel channel scraper...just kind of lends itself well for these kinds of applications.

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Mike Brooks Gunbuilding Tutorial

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Now I'm going to draw the line that separates the comb from the buttstock. It follows the line that the buttplate return makes, draw the line on both sides , then round off the top of the buttstock down to your line.

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Mike Brooks Gunbuilding Tutorial

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Here's your finished product.

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Tomorrow we have to do some work on the toe of the buttstock, then we'll go onto shaping the forestock.

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A Gunbuilding Tutorial by Mike Brooks



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Now to the toe. It's hard to see in the picthure, but there's about 1/16" too much wood sticking out of the bottom. Time to rasp everything off level, checking with the straight edge as I go. I ought to mention, I modified the buttplate some by peaning before I ever used it. I gained about 1/8" in both width and height by doing so.

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Then, as you can see I have to readjust the corner line of the bottom edge of the buttstock again.

Then, after checking out Shumway's book I sculpt the cheek piece similar to the "Brass Barreled Gun".

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Now, on to the forestock! First off we have to stike a line along the upper forestock that will expose just a little bit more that 1/2 of the barrel when the extra wood is removed. Then we have to measure down from that line 1/3 of the distance of the thickness of the stock. I always put an "insurance line 1/8" above below the 1/3rd line to I don't get a diamond shaped effect. The 1/3rd line will end up being the widest part of the forestock. I hope all of that made sense.

Now, after removing the barrel, rasp off the extra wood that is above the top line and now we should have a little more than 1/2 of the barrel showing. Then flip the stock on it's side and start rounding off the upper part of

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the forestock down to the 1/3rd line. I do it in several facets then round them off. I leave about a 1/32" or less flat next to the barrel.

http://www.muzzleloadingforum.com/tutorials/brooks/Brooks4.html

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Mike Brooks Gunbuilding Tutorial

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Now, the barrel is put back into the stock and pinned in and we move on to shaping the lower part of the upper forestock. It' done in a series of facets, just like I did before. here's a picture sequence of the operation.

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Now e're going to do the same thing with the lower forestock. Same thing, a bunch of facets that eventually end up being rounded off.

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Mike Brooks Gunbuilding Tutorial

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Now there are a few nasty areas that need to be cleaned up, one of them is the rear ram rod thimble.

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Mike Brooks Gunbuilding Tutorial

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I cut some away with a chisel then smooth things up with a half round file.

Then there is the clunky area around the front of the lock panels.

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Mike Brooks Gunbuilding Tutorial

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I take out the wood here with a 7/16" rat tail and clean it up with a half round file and my ever handy round barrel chanel scraper.

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Mike Brooks Gunbuilding Tutorial

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You've probably noticed the nice worm hole that's shown up as we've shaped the stock out...I thought worm holes were only on Star Trek?

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Mike Brooks Gunbuilding Tutorial

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Then, we have to shape the muzzle area in prearation for the muzzle cap.

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Mike Brooks Gunbuilding Tutorial

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I make a paper pattern for the muzzle cap like this.You just wrap a piece of paper around the stock and draw a line .

Transfer this pattern to a piece of brass, cut it out, then anneal it.

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Mike Brooks Gunbuilding Tutorial

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Then clamp it down to your stock where it needs to go and bend it around the stock , you can just use your fingers, the brass is pretty soft at this point.

Once it's bent around draw a line around the back end of it.

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Mike Brooks Gunbuilding Tutorial

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Here's what it should look like at this point.

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Mike Brooks Gunbuilding Tutorial

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Stay tuned in tomorrow when we continue making the muzzle cap!

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Mike Brooks Gunbuilding Tutorial

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A Gunbuilding Tutorial by Mike Brooks



Page 5

On with the nose cap. I cut just on the inside of my pencil mark with a jeweler's saw then rasp off the extra wood.

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4/18/2007

Mike Brooks Gunbuilding Tutorial

Page 2 of 8

Then wrap the brass back around the stock and strike a line even with the top of the fore stock on both sides and remove the excess brass.

Here's the muzzle cap trimmed up and pinched in so it sets properly against the barrel sides.

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4/18/2007

Mike Brooks Gunbuilding Tutorial

Page 3 of 8

Now, solder on the front piece and cut out your octagon shape to fit against the barrel.

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4/18/2007

Mike Brooks Gunbuilding Tutorial

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Now, it's time to pin it down. I use copper wire as a rivet, it's about 5/64", so I drill a 5/64ths hole thru the cap and the stock and stop when it hits the barrel.

Now grasp your short piece of copper wire in the vice and dink on the end to mushroom the top.

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4/18/2007

Mike Brooks Gunbuilding Tutorial

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Take your barrel out and put your copper rivet you just made thru the stock and cap. counter sink the hole on both ends first by the way.

Now peen the end down against the cap and you're done!

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4/18/2007

Mike Brooks Gunbuilding Tutorial

Page 6 of 8

Now we're going to make a side plate. I suppose the stock I use is .090 or so. Get you paper side panel pattern back out that you made before and place it on the side panel and draw out your side plate.

Cut out and glue your pattern on your brass and cut and file till it looks like a side plate.

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4/18/2007

Mike Brooks Gunbuilding Tutorial

Page 7 of 8

Now, inlet your side plate just like all the other arts we've inlet.



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Mike Brooks Gunbuilding Tutorial

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Mike Brooks Gunbuilding Tutorial

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A Gunbuilding Tutorial by Mike Brooks



Page 6

Now it's time to sand or scrape, which ever you choose to do. I've always sanded. I start with 100 grit then go to 150, then 220. I wisker the stock three times with 220. Then it's time to cut in the relief carving. At this point I've made a paper patern and transfered it to the stock. You can se the pattern in the background.

I cut much of my carving in with a V shaped parting tool. I chase it with a mallet, I don't push it.

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Mike Brooks Gunbuilding Tutorial

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I'm doing a lot of chip carving on this gun too. I use a small gouge and drive it straight down into the wood, then come back and take the chip out.

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4/18/2007

Mike Brooks Gunbuilding Tutorial

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Page 3 of 8

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Mike Brooks Gunbuilding Tutorial

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Here I'm cutting away the background wood to make the carving stand out in relief. Take your time and taper everything off and blend it all in with the existing plane of the wood.

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4/18/2007

Mike Brooks Gunbuilding Tutorial

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Here the beavertail is done.

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Mike Brooks Gunbuilding Tutorial

Page 6 of 8

In this picture I've layed out and relieved the lower buttstock moulding. This decoration I'm applying was done on the "brass barreled rifle" in Shumway's book. You just use a gouge of the appropriate size and drive it in to make the design. No wood removal is needed. the circles are done with a nail set.

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Mike Brooks Gunbuilding Tutorial

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Still carving, all the previous techniques are being used as before....

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Mike Brooks Gunbuilding Tutorial

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Mike Brooks Gunbuilding Tutorial

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A Gunbuilding Tutorial by Mike Brooks



Page 7

Ok, off to the patchbox. This is a patch box "kit" from MBS.

I drew out a paper pattern and glued it to the brass, then cut it out with a jewlers saw.

Here we are partially inleted.

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Mike Brooks Gunbuilding Tutorial

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Once the patchbox is inleted, I drill out the box cavity with a forestner's bit.. It's probably about 1 1/4" deep.

Here's the box with the cavity all cleaned out. I've installed the kick open spring here too, it's held in place with the same screw that holds the front finial of the box down.

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4/18/2007

Mike Brooks Gunbuilding Tutorial

Page 3 of 9

Unfortunalely, I forgot to photogragh the release mechanism. I'll do a seperate tutorial on that at a later date. Now the thumb piece. I start out with an old silver 50 cent piece and pean it out untill it's big enough for the inlay I want to cut out of it. I then glue my pattern on it and cut it out with a jewler's saw.

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4/18/2007

Mike Brooks Gunbuilding Tutorial

Page 4 of 9

Place the inlay on the stock and trace around it. remove the wood untill it fits properly then attatch it. I used two home made 1/16" nails.

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4/18/2007

Mike Brooks Gunbuilding Tutorial

Page 5 of 9

Who likes pumpkin colored stocks?

I stained with Jim Klien's stains, two coats of orange, one dark brown and one reddish brown. Here's the dark brown over orange.

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4/18/2007

Mike Brooks Gunbuilding Tutorial

Page 6 of 9

Here's the redish brown over the other two.

Here I've burnished the stock with 0000 steel wool.

At this point I apple the finish that Jim Chambers sells, flooding it on the first coat untill the stock won't take any more. After that I put one coat a day on for 4 or 5 days, then assemble the gun.

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4/18/2007

Mike Brooks Gunbuilding Tutorial

Page 7 of 9

Here's how I slot my barrel lugs by the way, I use my jewler's saw.

I antique my steel parts using LMF browning solution and a sweat box. I use about three applications then let it set for a couple days and rust.

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4/18/2007

Mike Brooks Gunbuilding Tutorial

Page 8 of 9

I also cut in the sights at this time, They are done just like the underlugs.

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4/18/2007

Mike Brooks Gunbuilding Tutorial

Page 9 of 9

I antique the stock to a certain extent with rustoleum flat black spray paint. I shoot the whole gun than take most all of it back off with 0000 steel wool. The stock will need about three more coats of finish after this procedure.



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Mike Brooks Gunbuilding Tutorial

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A Gunbuilding Tutorial by Mike Brooks



Page 8

The Finished Product

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Mike Brooks Gunbuilding Tutorial

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Mike Brooks Gunbuilding Tutorial

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Mike Brooks Gunbuilding Tutorial

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Mike Brooks Gunbuilding Tutorial

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Remember how we started out?

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4/18/2007