Patriot Ordnance Factory P-15 Base 5.56 NATO 30+1 16.5" Black Anodized Match Grade Threaded Barrel, Black Anodized Picatinny Rail Aluminum Receiver, M-LOK Handguard, MFT Tactical Black Synthetic Stock, A2 Style Grip The P-15 Base Rifle is 100% American made features POFUSA Mil-spec P-15 receiver set and the E2 16.5 match-grade 5.56x45 NATO barrel. The Mil-spec BCG features the Patented Roller Cam Pin to ensure smooth operation. The Mil-spec Anti-tilt 6 Position Buffer Tube comes standard with a Mission First Tactical Minimalist Retractable Stock. The P-15 receiver set has been Hard Anodized black in color and features a 15 M-LOK Handguard. Includes 30rd MFT magazine.