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Thread: PTR-32 Q's: Receiver differences from std. G3 / PTR-91 receiver, AK mag lock up ???

  1. #1
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    Default PTR-32 Q's: Receiver differences from std. G3 / PTR-91 receiver, AK mag lock up ???

    I'm thinking PTR-32, but I've already got some receivers to use.
    Can anybody tell me what the differences are from a standard PTR or G-3 receiver and trunnion to allow the AK mag to lock in?
    Obviously the mag catch is different, but it needs a ledge to catch in the front, and something to stop it from going to far up in the rear.
    Can somebody enlighten me, or post pics?
    Thanks

    ETA: or how did the SW guns built in 7.62x39 work?
    Last edited by ptoguy; 07-09-2012 at 10:13 PM.

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    Yes, I know, search is my friend, this is all I can find from the "behold..." thread.
    Doesn't show how it locks up in the front, and the blur doesn't help.


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    It's the same receiver. There is a magwell block welded in to accomodate the AK mag and you can clearly see where the rear tab on the mag stops in the rear block in your first pic. If I am not mistaken the PTR32's are currently not in production because I read they were redesigning the receiver to make the magwell smaller but then will this necessate a proprietary magazine? If true, I'd rather have one that takes AK mags. I have had zero issues with any AK mags with the 3 models I own.

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    Here are some ideas, in case you make your own insert. I made mine with 16GA material and a AK mag catch. (No I don't make these anymore).
    This was my first one.



    Second.



    And third.

  5. #5
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    Quote Originally Posted by U.S. Praetorian View Post
    ....they were redesigning the receiver to make the magwell smaller but then will this necessate a proprietary magazine....
    I wouldn't think they would redesign the receiver, because that requires new stamping die$ (but I've been wrong on that before - LSC). And if they did, I'd think they would keep the G3 length receiver to be able to use G-3 parts. Either way though, most people won't want one that doesn't take AK mags.
    Hart - Thanks, kinda looking for ideas like that.

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    Quote Originally Posted by ptoguy View Post
    I wouldn't think they would redesign the receiver, because that requires new stamping die$ (but I've been wrong on that before - LSC). And if they did, I'd think they would keep the G3 length receiver to be able to use G-3 parts. Either way though, most people won't want one that doesn't take AK mags.
    Hart - Thanks, kinda looking for ideas like that.
    Just to make a subtle distinction here...

    To redesign the receiver is to make any alterations to it during or after the rolling and welding process. The dies are used to make the flat, not the receiver. So they could very well redesign the receiver to make changes and never affect the design of the dies.
    "Sometimes change sucks."- Anne Frank

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    I had heard from another source that the redisign was to ensure compatibility with steel AK mags, which I understand to be spotty with the original. I agree, proprietary mags for an x39 is an instant fail.

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    Quote Originally Posted by housertl View Post
    I had heard from another source that the redisign was to ensure compatibility with steel AK mags, which I understand to be spotty with the original. I agree, proprietary mags for an x39 is an instant fail.
    This would make much better sense. So maybe not unlike the original HK32 but with a rock in mag as opposed to a slide in.

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    Quote Originally Posted by housertl View Post
    I had heard from another source that the redisign was to ensure compatibility with steel AK mags, which I understand to be spotty with the original. I agree, proprietary mags for an x39 is an instant fail.
    Strong statement, but only partially correct. If compatible mags are abundantly available and < $20, it could still be a success. Maybe not as successful as if it could take all standard AK mags, but still not an instant failure.

    Proprietary mags at > $40 each would be an "instant fail".

  10. #10
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    Non AK would be really stupid. A huge part of the attraction of the 32 is that you can use AK mags. I will say I have had zero problem with my 32 and AK mags up until now.

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