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.Specifications: Caliber: 5.56mm Capacity: 30rd Receiver: Spec15 Forged Aluminum Receiver Set Barrel: 16"4150V Chromoly BCG: Phosphate Coated Spec15 BCG Charge Handle: Spec15 Forged Charge Handle Trigger: Mil-Spec G.I. Trigger Gas System: Direct Impingement; A2 Front Sight Gas Block Muzzle Device: A2 Flash Hider Furniture: G.I. Grip & M4 Carbine Stock Handguard: Mil-Spec Two Piece Polymer Handguard Length: 34" Weight: 7lbs 7oz