Buy your Patriot Ordance Factory P415 Edge .223/5.56x45mm Rifles at BattleHawk Armory now! POF-USA is excited to offers it's new line of rifles for 2017. This particular P415 Edge rifle features a semi-automatic short stroke gas piston system. The gas piston system is designed to ensure that the bolt carrier group, chamber and fire control system remain clean during extended operation. The gas piston system has changed the game and provides superior reliability over the direct gas impingement counterparts. This particular rifle features a 16.5" barrel with 14.5" M-LOK compatible rail system. The new Mission First Tactical furniture provides excellent form and function while the ambidextrous controls make this rifle perfect for even a southpaw shooter.