My first design thru build
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Old 12-26-2011, 09:11 PM   #1
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Default My first design thru build

This is my first post, so be kind. I'm 19 years old and have been aspiring to be a gunsmith since I was 8 years old. I was blessed with acess to a machine shop over the last 2 years, and I would say that I am a skilled machinist.
Well here it is, it's a closed bolt hammer fired SMG, semi only of
course. The bolt is the rear of a CZ handgun slide I hacked off. It took eight months from idea to finish, and since no-one has ever made this particular gun before there were problems every step of the way. I live in nevada so it's toatally legal. If any one is interested in this ill post schematics and more pics.

image-3943508969.jpg   image-1965003543.jpg   image-230162058.jpg   image-1175066888.jpg   image-4198751786.jpg  

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Old 12-26-2011, 09:37 PM   #2
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Bwahahaha, that's beautiful! Good job, good job indeed! Its real nice to see such fine work!

2 questions
1. Why no sights or trigger guard?
2. If building one like this, from a blank slate, why such a heavy Thompson influence?

These aren't criticisms, I ask because I'm curious.

Lets get a range report too!

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Old 12-27-2011, 12:32 AM   #3
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Looks amazing! I love making my stuff "mine" by customizing it, but thats a whole new level of custom!

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Old 12-27-2011, 12:37 AM   #4
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Thanks!
No trigger guard or sights because it's not finished yet. Haha I also need to blue it as well. I bought some blue wonder home blueing it hasn't come In yet. But I'll put pics up after its blued.
I choose a Thompson design honestly because I love the old Americana look but my pocketbook hates it! Haha this is the closest thing I'll have to a Thompson for a long time haha. Not including man hours (about 20,000) I only spent 90$ on this project. The barrel was a 9mm blank in the scrap bin at green mountain barrels for 20$. Chambered it myself with a boring bar : ( (not recommended!!) the barrel was originally a foot long, and now it's 9" just to give you an idea of the trouble I had. I documented every step of the way and I have machinists drawings for every part.
As for a range report it's very heavy because I used very thick gauge steel for the upper and lower reciever for safety reasons. And since it shoots the 9mm round with a 9 inch barrel it feels like your shooting a 22. It's much more accurate than I though with groups the size of a fist at 50 yards. here's some more pics

image-1288386582.jpg this is the blank barrel

image-3634353355.jpg

Here's the bolt with charging lever

image-710877754.jpg

Here's the rail that the bolt rides on

image-568131123.jpg

Milling the front grip holder

image-2592626295.jpg

Plan

image-3390253330.jpg

First cuts on barrel

image-3587906675.jpg

Rear view without cover you can see the mainspring rod

image-1366666187.jpg   image-1790801624.jpg   image-1997822267.jpg  
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Old 12-27-2011, 01:07 AM   #5
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You should check into the legalities of making a home built gun fully auto. I'll bet that thing would be awesome on full rock and roll.

Overall, very nice job, I'm thoroughly impressed. Wish I had those skills.

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Old 12-27-2011, 01:35 AM   #6
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When I said 20,000 man hours I was joking I probably spent 100 hours designing, and 1000 building. For all you serious people lol : )

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Old 12-27-2011, 01:48 AM   #7
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looks pretty good, have you test fired it all? and will you post a video of the test firing?

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Old 12-27-2011, 12:45 PM   #8
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Glad to see someone of the younger crowd interested in the metal trade. Nice work!

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Old 12-27-2011, 03:51 PM   #9
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Nice job. Now go back to work.

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Old 12-27-2011, 10:43 PM   #10
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It's not legal to make it rock n roll without a class 3, but I plan on gettin one some day. Next time I take it out to the desert to shoot ill take some videos. I made a fake suppressor for it as well

image-3328126358.jpg

Here's some practice engraving I did then reverse electro plated with silver. When I get better I plan on doing the whole gun

image-2787609937.jpg   image-1128783606.jpg  
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