Black Rain Ordnance manufacturing standards are prominent throughout our line of Spec Series weapons, allowing us 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. - CALIBER .223 REM/5.56MM NATO - MAGAZINE (1) 30rd capacity - BARREL 16" 4150V CM w/ A2 Flash Hider - HANDGUARD 15" M-LOK Hybrid - RECEIVERS Billet 7075 T6 Aluminum - TRIGGER Mil Spec - STOCK M4 Carbine