Anderson Manufacturing 16" Complete Upper Receiver 5.56mm with Front Sight Base, Black Parkerized - AM B2K612AF02

This is a complete AR-15 upper receiver assembly chambered in 5.56mm NATO/.223 Remington, featuring a 16" M4 barrel with 1-8 twist rate and A2 flash hider. The upper includes a 7075 T6 forged receiver, carbine-length gas tube, A2 handguard, front sight base, standard charging handle, and M16 bolt carrier group, ready for installation onto a compatible lower receiver.