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Thread: Junk Cetme Parts = Bullpup!

  1. #1
    holescreek's Avatar
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    Junk Cetme Parts = Bullpup!

    I'm a sucker for Cetme parts and purchase odd bits whenever I find them. Back in March I saw a box at the OGCA show marked "G3 Parts Kit" with no price. I looked through the box and found it was a partial Cetme kit made up of mostly destroyed parts and a single plastic G3 stock. The good parts in the box included a live (pitted) barrel, cocking tube, trunnion and bolt head so after some haggling I bought it all for $180.

    The end of the barrel didn't pass a bullet test

    20180317_164839.jpg

    I needed to get to the good rifling and wanted 5/8"-24 threads for a suppressor so I dialed in the bore on the lathe, cut the end of the barrel off to 16.5" and turned a step to accept a sleeve. I made a sleeve from the chamber end of another old Cetme barrel, slid it onto this one then silver soldered it in place.

    20180317_174830.jpg

    Once the barrel cooled I set it back up in the lathe, retrammed the bore and cut my new 5/8-24 threads concentric to the bore.

    20180318_150013.jpg

    20180317_190917.jpg

    Now I had a good 16.5" barrel, a trunnion and cocking tube and started looking at some of the junk parts I've accumulated to see what I had to work with. I found a Cetme B carrier that needed a bolt head, and enough small parts to build a FCG so I bent another flat.

  2. #2
    holescreek's Avatar
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    I decided to try something different and cut the grip off of the lower housing and just for S&G's placed another FCG housing in front of the magazine. I searched the web but only found a single conversation about building a bullpup and it had some photoshopped images. I was on my own.

    20180318_175028.jpg

    I got busy with other things and 4 months later (4th of July) decided it was time to either get started or move the mess of parts off my bench for good. The rifle has been through a several design changes in the FCG and at least 3 major changes in the butt stock alone. Right now I have two different working designs for the butt stock, one metal (Plan C) and one wood (Plan B).

    I test fired it a couple weeks ago with the first stock design (Plan A) and found that the rifle wouldn't function with the standard 50 degree LP. Luckily I brought a 60 degree LP with me that day and it cycled perfectly with it. The short barrel lets too much gas get away with a 50.

    Here is the current bullpup with my "Plan C" butt stock. I will have my Plan B wood stock finished soon and decide which one I like best. It's 30.25" long as shown in the pics and weighs 11 pounds even. I still need to make an adapter for my suppressor so the length will increase another inch or so.

    20180809_125818.jpg

    20180809_125759.jpg.jpg

  3. #3
    Senior Veteran weasel_master's Avatar
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    Now that is cool. Nice work Holes.
    Czar of all the Michigans
    In memory of Johnhttp://act.alz.org/goto/Weasel

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    Senior Veteran Silvera's Avatar
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    always amazed at your creations......NICE!
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    Wit, Grit, Courage and Determination

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    That's awesome!
    14EH AIT Instructor-PATRIOT Fire Control Enhanced Operator/Maintainer

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    Junk parts and your creativity = one cool looking rifle.

    NICE JOB!!!!

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    I guess there is enough room for the recoil buffer in that stock set up?
    14EH AIT Instructor-PATRIOT Fire Control Enhanced Operator/Maintainer

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    Another cool creation from you. You have some awesome talent and I really enjoy seeing your projects!
    Occam's razor, the simplest explanation will be the most plausible

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    Senior Veteran sdk1968's Avatar
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    good looking transfer bar set up.

    do you have a safety up front on the trigger location? or only on the rear location?
    say what you mean & mean what you say!
    TEC Tactical=SOT/07 i work there.

  10. #10
    holescreek's Avatar
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    Quote Originally Posted by scottz63 View Post
    I guess there is enough room for the recoil buffer in that stock set up?
    Yes, both stocks attach to the back of the buffer using an 1/8" steel plate held on with an original stock bolt that I cut down to be a little bit longer than the threads on the bolt, then I added a cap head screw to the bolt to take an allen wrench. The rubber butt pad serves to cover the bolt sticking out of the buffer.

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