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Thread: Needing helpwith Sten MKV Semiauto build

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  1. #21
    Legacy Member Bruce_in_Oz's Avatar
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    The method used in the semi-auto Uzi variants uses two springs. and an "axial" / linear striker.

    Food for thought?

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  3. #22
    Legacy Member Bruce_in_Oz's Avatar
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    The general idea

    This will give you the concept

    The sear in these semi-auto Uzis only acts on the linear striker, NOT the bolt, which is free to close after each shot. To "really" avoid "Rock 'n' Roll", carefully machine off the flange / collar from the side of the bolt-face that faces the magazine. This will mean that the case heads will slide across the bolt-face instead of "jumping back in" as the round chambers. IF something goes awry and the sear mech fails to rise into place, something interesting happens. Because the striker fully-forward, the head of a following round, stripped from the mag, will collide with the striker and the gun will stop.

    Keep us posted.
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    Last edited by Bruce_in_Oz; 12-31-2021 at 09:10 PM.

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    Legacy Member Houligan's Avatar
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    anyone here have a build like this that's working that would measure your springs?

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    Legacy Member Houligan's Avatar
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    I got it going! Thanks for the help. I replaced the sear with a stamped one which is wider and easier to catch.

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