Ar-15/M16 Hybrid Rifle Barrels - 223 Rem. 18'''' Hybrid Rifle Length Chrome Bbl W/Headspace Bolt

The Hybrid contour AR-15 barrels offer an ideal configuration for those seeking extreme accuracy without the added weight of an HBAR contour. An indent is provided opposite the gas port to enable easy installation. Also included is an M4 barrel extension. These barrels accept muzzle devices with a 1/2x28 thread. Chambers are finished, but barrels should be headspaced and installed by a qualified gunsmith. Included are a headspaced BCM Bolt Assembly with your Criterion chrome-lined barrel. The B