The p415 was engineered to be virtually unstoppable in unfavorable conditions.It is a product of continuous development and improvement to the ar platform that no other rifle company has attempted or succeeded at.The reliability has been tested time after time, and the operating system perfected.E2 extraction technology, completeambidextrous fire controls, modular free floating rail platform, and numerous internal improvements make it the pinnacleof all-purpose 5.56 caliber sporting rifles.The p415 simply will not fail when you need it most.Action: Semi-AutoCaliber: 5.56x45mm NATOBarrel Length: 16.50"Capacity: 30+1Safety: Manual ThumbOal: 32.50"- 36"Weight: 7.50 lbsStock Description: 6 Position MFTMuzzle: Muzzle BrakeReceiver Material: 7075-T6 AluminumSights: Optic ReadyTwist: 1:8"Barrel Length Range: 16" to 16.99"Weight Range: 7 lbs to 7.99 lbsHand: RightStock Finish Group: BlackMetal Finish Group: Brown