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Thread: What is a 'Bulged' Front Trunnion? ... Any advantage over regular trunnion?

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    Gunco Rookie Turbo6ta's Avatar
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    Default What is a 'Bulged' Front Trunnion? ... Any advantage over regular trunnion?

    I am new to the AK-47 world, so I have a few questions that others here may seem as pretty much common knowledge to most people. This question is about 'Front Trunnions'.

    1. Is a 'Bulged' front trunnion something related to only Yugo AK's (Zastava), or are they used in many other AK's made in various other countries?

    2. Why would a bulged front trunnion be better than a regular front trunnion?

    3. Does a bulged front trunnion serve a special purpose that a regular trunnion cannot do?

    Thanks for any of your knowledge about this.

    Ron,

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    Chief Administrator 7.62x39's Avatar
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    To my knowledge only Yugo's (M70 for example) used them. They are easy to spot by their bulged sides vs the flat sides of a normal trunnion, which requires a receiver specifically designed for them.
    As to why, I assume that it was done for some perceived advantage in strength since they were used with a 1.5mm receiver, probably because they had GLs
    .

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    Gunco Rookie Turbo6ta's Avatar
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    Thanks Chief Admin ...

    I also noticed the Yugo M70 (0-PAP) don't have a bayonet lug. I wonder how hard it would be to install one?

    Ron,
    Last edited by Turbo6ta; 09-06-2013 at 09:28 PM.

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    No Hope For Me 1biggun's Avatar
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    THE M70 USES PRETTY MUCH THE SAME TRUNION AS A YUGO RPK. IT IS HEAVIER OVER THE LUGS AN IS ARGUAbLE A STONGER PIECE IN EVERY AREA OF ITS CONSTRUCTION BOTH IN STENGTH AN IN WEIGHT . i

    It is of little importance IMO on a 7.62x39 or 223 weapon as a standard akm trunion is plenty strong .

    Unless you really think you need a baynet for zombies or you want the cool mall ninja effect Id skip the bayo an buy ammo with the money . if there is a simular gun that uses the same ID GB an the GB in yours is in the correct locsation Is likely doable . does your gun haver a gas shut off GB for gernade launching ?

    Im sure you can get one on there some how if you really wanted to .


    ODDLY A SAIGA 308 HAS A BULGED TRUNION BUT ON SIDE .

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    Cranky Curmudgeon zoom6zoom's Avatar
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    Romy RPK'a had it also, as do the VEPR's.
    Certified AR-15/M-16 Armorer / SIG Pistol Armorer

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    Gunco Addicted for life j427x's Avatar
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    DA! bulged is good-- milled is better--LOL!

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    Gunco Rookie Turbo6ta's Avatar
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    Thanks everyone for the comments and info

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