The POF-USA P415 Edge AR-15 Complete Upper Receiver 300 AAC Blackout 10.5" Barrel 9" Handguardwas designed to be unstoppable in all environments. It is a product of constant development and design improvement. With the development of our E2 Extraction Technology, complete ambidextrous fire controls, free floating rail platform, and numerous other improvements the P-415 Edge is the pinnacle of all Modern sporting rifles. To reduce weight and increase shooter comfort, our P-415 edge upper features the all-new handguard, reducing the size by nearly 20%. As a result, we have made the width a mere 1.75 inches. Not only did we drop the weight of the platform, but we also provided better ergonomics for the shooter. The P-415 Edge simply will not fail when you need it most. FeaturesChambered in 300 Blackout.10.5" Barrel, Black Nitride Heat Treated, 4150 CrMoV Steel, 1-7 Twist, 5R Right Hand Lands & Grooves, & 5/8X24 Muzzle Threads.Pistol Length Gas Piston System with 5 Position Adjustable G...