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AR15 7.62x39 Conversion

AR 15 Upper Receiver
Flat-top Upper Receiver (assembled) machined out of 7075 aluminum. Black anodized finish, M-4 feed ramps, T-marked uppers.
 16" Goverment Profile Chrome moly barrel
 1-10 twist 7.62x39 chamber
 .750 gas block area
 Heat Treated
 Air Gauged
 Has M4 feed ramps
 5/8x24 thread pattern
 GRG gas block regular profile top and bottom picantinny rail.
 Made in the USA
 MGI's enhanced reliability bolt and firing pin for the 7.62x39 mm Russian AR-15 uppers is designed to run more reliably with surplus and Russian manufactured ammunition. The firing pin and bolt are designed to give primer strikes that are more like an AK-47 rifle to work better with the cheap available ammunition. This upgrade will increase the reliability of your 7.62x39 upper.
 (Simple remove 556/223 bolt and firing pin, add 7.62x39 bolt and firing pin, and pin upper to your lower receiver)

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