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Thread: 308 ak

  1. #1
    No Hope For Me 1biggun's Avatar
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    Default 308 ak

    Is it possable to convert to to a 308? I have done several builds now and have a pretty complete machine shop. My main question is can a standard ak trunion /bolt assembly hold up to 308 pressures and will a barrel turned down to fit a standard trunion be safe. I can handel all the mag fitting and bolt face work. looking to use a Romy kit for this with a modified mauser barrel. I am aware of the saiga rifles do the differ in the trunion and bolt?

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    Gunco Regular wildmann43's Avatar
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    .308 AK bolts have a 3rd lug on the bottom, to aid in holding the extra pressure. I believe(but hadn't checked) that the trunion diameter is very close, if not identical, .906".
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    RIP Sangrun Hunter's Avatar
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    The exception is the Yugo which has a much beefier trunion and bolt. It needs to be found out for sure, but the M76 and M77 Yugo .308 sniper rifles are suposed to have 2 lug bolts. If that is the case then it could be a possible donor for parts.

    My Dad and I are looking into this as well....

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    Happy Camper hcpookie's Avatar
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    Sang, please share when you find out - I've got a .308 barrel just screaming to be put into a new build.
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    RIP Sangrun Hunter's Avatar
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    Quote Originally Posted by hcpookie
    Sang, please share when you find out - I've got a .308 barrel just screaming to be put into a new build.

    I just posted a question ion the Yugo section asking about the M76 and M77.

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    Happy Camper hcpookie's Avatar
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    The trunion pics Rhino posted from his Saiga .308 helped out too. The saiga trunion seems over-built to me, even when you consider the width needs for the .308 mag.
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    The "original" Boltcutter Rivet Squeezers:
    http://pookieweb.net/AK/rivet/boltcutters/boltcutter.htm


    Project Pink - the Pink and Blue AK-74:
    http://pookieweb.net/pink/pink.htm

  7. #7
    No Hope For Me Coils's Avatar
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    So what mags do you guys think would be good to use for this?
    I think a .308 AK would be nice to have.

  8. #8
    RIP Sangrun Hunter's Avatar
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    I'm thinking the FAL mag may be the best because it tapers in the front. However the G3 mags are about $3 a peice used condition. They are square in teh front though and it doesn't seem they will fit in an AK trunion very well.

    I have FAL mags, G3, Galil .308. I would like to get my hands on an M14 mag to see how it compares to the rest. I bought the Galil mag at Knob Creek just too look at and the body is very much a copy of a G3. The top is like a stretched AK mag.

  9. #9
    RIP Sangrun Hunter's Avatar
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    BTW:

    Here at the M76-77 bolt pics and Saiga.308 bolt pics.

    Critical Yugo M76 and M77 questions

  10. #10
    No Hope For Me 1biggun's Avatar
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    Thanks for the Info If a Yugo trunion and bolt would work. cheap take of barrels from any 308 or possabley other calibers would be a way to get around the new barrel ban. if you used a american made barrel from a remington or winchester, I woud count as one more non imported part. Plus it would make it possable to use bull barrels fluted stainless ect to build some pretty cool and acurrate guns

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