The battlearms authority series of firearms are designed from the ground up and purpose-built as the next generation ar-15.The heart of the rifle is the billet bad556 7075-t6 aircraft grade aluminum receiver with integral ambidextrous controls and free-float rail handguard with m-lok attachment points at 3 6 and 9 o'clock positions.At 12 o'clock is a full-length picatinny accessory rail with our signature notch cut matching the upper receiver.Every firearm is equipped with a 4150 chrome-moly steel black nitride barrel for durability and accuracy.Each barrel is individually head-spaced with matching 9130 steel bolt and 8620 black nitride carrier for ultimate reliability and ease of cleaning.Rifle models utilize a mid-length gas system for reliable and smooth cycling action while reducing recoil and minimizing wear.Action: Semi-AutoCaliber: 223 WyldeBarrel Length: 16"Capacity: 30+1Trigger: Enhanced Nickel TeflonSafety: Ambidextrous Bad-Ass-ProOal: 33.25"-36.25"Weight: 6.10 lbsStock Description: 6 Position B5 Bravo AdjustableMuzzle: Muzzle BrakeReceiver Material: 7075-T6 AluminumSights: None Optic ReadyBarrel Description: 4150 Chrome Moly MediumTwist: 1:8"Barrel Length Range: 16" to 16.99"Weight Range: 6 lbs to 6.99 lbsHand: RightStock Finish Group: GrayMetal Finish Group: Silver/Gray