Angstadt Arms UDP-9 16 9mm Complete AR-9 Upper Assembly

Angstadt Arms complete 16 upper receiver assembly is ready to run out of the box with any 9mm AR-15 lower receiver. Featuring the same high quality parts that go into are UDP-9 rifle, this completed upper receiver is compatible with both GLOCKA(R) and COLTA(R) style 9mm magazines. Features: 7075-T6 billet aluminum slick side pistol caliber upper receiver with appropriately sized ejection port 16 9mm barrel made from 4150 chrome-moly steel with a 1-10" twist rate. 1/2x36 TPI 15" ultralight handguard with M-LOKA(R) mounting interface on the 3, 6, 9 & 12 O'clock positions Top mil-spec 1913 picatinny rail with lightening cut Black nitride 9mm AR-15 bolt carrier group. For use with a standard AR-15 hammer Compatible with both GLOCKA(R) and COLTA(R) style 9mm dedicated lower receivers. Angstadt Arms 9mm flash hider Mil-spec charging handle Caliber: 9mm NATO Weight: 3 lbs 13.1 oz