Psa uppers and 80 percent lowers

Discussion in 'AR Forum' started by MasterBushhhh, Apr 4, 2019.

  1. MasterBushhhh

    MasterBushhhh Member

    Sep 26, 2018
    I finally received my 5d tactical jig and my first 80 percent lower from 5d will it work with no problem on a psa upper and what 80 percent lowers work on psa uppers or what other uppers
  2. gaijin

    gaijin Well-Known Member

    May 18, 2015
    If lowers are “MILSPEC” in dimensions, any like (“MILSPEC”) upper will work.

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