PRI MK12 Mod0 upper
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New production new in box PRI MK12 Mod0 uppers. 3 available right now.
These uppers have 1/7 twist Douglas barrels. They have Gas Buster charging handles with military big latch. The *do not* include a rear sight. I have new production ARMS #40, ARMS #22med and Allen Engineering AEM5 available if needed.