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Thread: PPSH-41 trunnion

  1. #1
    Gunco Rookie rainbow6's Avatar
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    Default PPSH-41 trunnion

    How exactly is the trunnion held into the receiver? Is it welded, or riveted, I know on the PPS-43 it is riveted into the receiver.

  2. #2
    Gunco Veteran Viper Dude's Avatar
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    Hello rainbow6,
    The PPSh-41 trunion is held to the receiver by a rivet on top which is made from a bit of trunion metal sticking through the sheet steel receiver and mashed over. Also there is another rivet through the sides of the receiver and trunion (not the axis pin).

    The top rivet can be done with weld for simplicity.

    VD

  3. #3
    Gunco Rookie rainbow6's Avatar
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    thanks viper dude, Are the the rivet holes already drilled or do you have to drill those yourself, cause in the picture i only see the pivot pin hole.

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    Hello rainbow6,
    I haven't seen the picture you mention. I can only guess that the cross rivet must be drilled and perhaps the top rivet made as a welded attachment (rose bud).

    VD

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    Gunco Veteran Markp's Avatar
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    Quote Originally Posted by rainbow6 View Post
    How exactly is the trunnion held into the receiver? Is it welded, or riveted, I know on the PPS-43 it is riveted into the receiver.
    On mine it would be welded. That is how it was designed to work on mine.

    Mark

  6. #6
    Gunco Veteran Viper Dude's Avatar
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    For trunion builders there are PPSh-41 component drawings over on weaponeer. These drawings I believe are from the G. Dmitrieff text, Sunmachinegun Designer's Handbook, Desert Publications 1981.

    VD

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