Anderson Manufacturing 20" Upper Receiver 5.56 NATO with HBAR Barrel, Parkerized - AM B2K611AH00

Anderson 20" upper receiver assembly chambered in 5.56 NATO/.223 Rem, featuring a heavy barrel (HBAR) made from 4140 chrome moly steel with M4 extension and parkerized finish. Includes forged upper receiver, A2 flash hider, standard gas block, and plastic handguards; BCG and charging handle sold separately. Gas hole pre-drilled and ready for installation.