Patriot Ordnance Factory P-15 Base SMU Features The Patriot Ordnance Factory P-15 Base SMU runs on a direct impingement operating system paired with a match grade black nitride finished barrel cut to 13.75 inches with a 1:7 inch twist rate suited to a wide range of .300 AAC Blackout bullet weights. A pinned and welded Dead Air KeyMo muzzle brake brings the overall length to 16.10 inches keeping the rifle NFA compliant while extending the effective barrel system. The flared magwell speeds reloads under pressure and the anti-tilt six position buffer tube keeps the stock running smoothly through recoil cycles. A mil-spec trigger offers a dependable familiar break for shooters already trained on AR pattern rifles. The 7075-T6 aluminum upper and lower receivers wear an Olive Drab Cerakote finish for corrosion resistance and a durable low-maintenance exterior. A full length Picatinny rail tops the receiver for optics mounting while the M-LOK handguard provides attachment points for lights lasers and grips. The Amend2 adjustable stock and matching Amend2 grip round out the furniture in OD Green polymer giving the shooter a comfortable customizable fit. Weighing 6.30 pounds and feeding from a 30 round magazine this rifle suits home defense suppressed range work and tactical training alike. Patriot Ordnance Factory P-15 Base SMU Specifications Manufacturer: Patriot Ordnance Factory Model: P-15 Base SMU Caliber: .300 AAC Blackout Capacity: 30+1 Action: Semi-Auto Operating System: Direct Impingement Barrel Length: 13.75 Barrel Description: Match Grade Barrel Finish: Black Nitride Barrel Material: Steel Twist Rate: 1:7 Muzzle Device: Pinned and Welded Dead Air Muzzle Brake Receiver Material: Aluminum Receiver Finish: Olive Drab Cerakote Receiver Description: Picatinny Rail Handguard: M-LOK Grips: Amend2 Stock: Amend2 Adjustable OD Green Trigger: Mil-Spec Overall Length: 34 Weight: 6.30 lbs Available At: GrabAGun