Rock river arms lar-15 r3 competition rifle - rock river arms has developed the r3, which is a 3 gun competition ready rifle out of the box.The shooter need add only the optics of choice and this well built riffle will tune in hits at 3/4 moa at 100 yards.The standard features on the r3 are an 18 inch fluted stainless steel barrel, directionally tuned ported muzzle brake, low profile gas block, two stage match trigger, hogue rubber pistol grip, rra nsp-2 carbine stock, and safety selector.Action: Semi-AutoCaliber: 5.56x45mm NATOBarrel Length: 18"Capacity: 30+1Trigger: Two-Stage MatchSafety: Safety Selector SwitchOal: 36"Weight: 7.60 lbsStock Description: RRA 6 Position NSP-2 CarbineMuzzle: RRA BrakeReceiver Material: AluminumSights: Optic ReadyBarrel Description: 18" Fluted Stainless SteelTwist: 1:8"Barrel Length Range: 18" to 18.99"Weight Range: 7 lbs to 7.99 lbsHand: RightStock Finish Group: Black