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Thread: Can you make a 762x25 out of

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    Gunco Member stoney's Avatar
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    Default Can you make a 762x25 out of

    a 762x39 by cutting off the back end of the barrel and how do you think it will work if you do.

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    Gunco Regular Rich's Avatar
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    Sounds like it would be a fun conversion, but the head size of the AK round is much larger than the .762 x 25. The bolt wouldn't work without a lot of modification. The pistol rd is also blowback operated instead of gas like the AK.

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    Gunco Member jimmy_stikx's Avatar
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    If you shortened the gas system to the length of a krink's you should be able to make it gas operated. Some filler tube to make the base diameter of the bolt head smaller to fit the 7.62x25's base, and probably lighten the bolt carrier. If you cut down the AK's barrel and re-chambered it, you'd probably have to sleeve the barrel, your other option would be to get a Mosin-Nagant M44 barrel from Numrich, cut, rechamber, and turn down to 23mm to fit the trunnion, or get a .30 cal barrel blank, chamber, and turn down to the proper profile.

    Anyway, that's how I planned to do it, and I'll probably use a FAL gas block/ sight on mine to adjust gas as I need it.

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    Administrator pirate56's Avatar
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    Gunco Regular Gunter's Avatar
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    7.62x25 is .308
    7.62x39 is .311
    The shoulder angle on 7.62x25 is 16 degrees 24 minutes
    The shoulder angle on 7.62x39 is 17 degrees 30 minutes
    The neck length on 7.62x25 is .140
    The neck length on 7.62x39 is .240

    You would have a smaller bullet in a bigger bore with lots of free bore. Not only is the 7.62x39 bigger the chrome lined barrel will destroy a reamer asap.

    Might want to check this thread out:
    AMD Build in7.62x25
    Last edited by Gunter; 01-16-2007 at 03:23 PM.

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    Gunco Regular 3/325's Avatar
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    The same guy who is producing products for the 2XTM 9mm Soumi AK built one in 7.62x25. I'd ask him or check his website: http://www.lichtenbergresearch.com/

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    Gunco Veteran Lt762x39's Avatar
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    3/325

    That's a cool link; thanks for the info

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    Gunco Regular 3/325's Avatar
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    Yeah, it's pretty sweet. It was enough to convince me I need to build one.

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    Gunco Regular 3/325's Avatar
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    Here is a 7.62x25 that is pretty sweet. 7.62x25 conversion (vid)

  10. #10
    Gunco Member justashooter's Avatar
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    i made a barrel bushing out of an old belgian combo device to do this 3 years ago on an amd65 donor. 24mm OD is right for an AK trunion. would reinforce the reduced barrel that would be in the front of trunion when you whack the 3/4(?)" off the barrel to get enough chamber for the 762X25 reamer. weld it all together, no worries.

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