Black Rain Ordnance Tyrant, Semi-automatic Rifle, AR, 450 Bushmaster, 16 Chrom-Moly Barrel, Anodized Finish, Black, A2 Grip, M4 Collapsible Stock, 5 Rounds, 1 Magazine BRO-TYRANT-450B Black Rain Ordnance manufacturing standards are prominent throughout their line of Spec Series weapons, allowing them to produce the highest quality rifle with a cost-effective price tag. The chromoly barrels and black nitride bolt-carrier groups in the Spec Series combine to provide the reliability and dependability you expect from the BRO family of rifles. Whether it's your first rifle, a patrol weapon, or simply supplementing your collection, the Spec Series is a great addition to your lineup.