Watchtower firearms military line lays the groundwork for an "all american made" premium forged line.Meeting all military specifications and is manufactured with enhanced tolerances.The type 15m rifle includes a 5.56 nato black nitride durabolt bcg; cold hammer forged match grade barrel; mid-length gas system; 13.70" s7m free-floating handguard with m-lok attachment slots at five positions; 4 qd points; full-length 1913 picatinny rail and a b5 systems reinforced polymer pistol grip and buttstock.Action: Semi-AutoCaliber: 5.56x45mm NATOBarrel Length: 16"Capacity: 30+1Trigger: Mil-SpecSafety: Mil-SpecWeight: 7 lbsStock Description: B5 BravoMuzzle: A2 Birdcage Flash HiderReceiver Material: AluminumSights: NoneBarrel Description: Match GradeTwist: 1:8"Barrel Length Range: 16" to 16.99"Weight Range: 7 lbs to 7.99 lbsStock Finish Group: BlackMetal Finish Group: Blued/Black