Posted: 9/3/2016 12:52:43 PM EDT
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Have a PSA AR9 glock style complete lower (big fan) with no upper yet.
Will this mate up with other manufacturers' uppers or are the uppers proprietary geometry also? I imagine the bolt would be proprietary, but would a PSA BCG work in another upper |
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Thank you for your inquiry.
The Glock-style lower requires a bolt that is compatible with the magazine. A regular colt style 9mm bolt will not work, unless it is one of our hybrid bolts. The hybrid bolt should work in any mil-spec style upper, however, for best results we recommend our barrels. |
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Quoted:
Also, when you say mil spec style upper, what spec is that? There is no mil spec for a 9mm AR, is it the stripped upper the same spec as a 556 upper? Yes, Mil-spec, as in 5.56 Mil-spec AR upper receiver. Aside from the slick sides, Our upper is identical to the 5.56 upper |