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msg90 psg1 bolt head

  1. HK CLONE TALK
    There are several questions on this forum on replacing the HK41/G3 semi-auto bolt carrier with an MSG90/PSG1 bolt carrier and the general consensus is that you can use the MSG90/PSG1 and semi-auto bolt carrier with a #9 40 degree locking piece. I just bought a pristine 1997 FMP G3 (but still...
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