Aeroprecision m4e1-t complete upper 11.5" 5.56 barrel
Other Features: M4e1 threaded upper receiver forged 7075-t6 aluminum 9" atlas r-one mlok handguard hardcoat anodized, 1:7 twist threaded 1/2x28, a2 flsh hider assembled forward assist, and dust cover, 11.5" 5.56 nato bl included muzzle break is not pinned or welded to this barl does not include bcg