13.75 P15 BASE Upper

The 13.75 P15 BASE Upper delivers everything you expect from a hard-use, direct-impingement upper—without the fluff. Built around a 13.75" nitride-treated 4150 CrMoV barrel with a pinned and welded Dead Air KeyMo Muzzle Brake and a smooth mid-length gas system, it offers reliable performance, consistent accuracy, and excellent handling. With a 13" M-LOK® rail, mil-spec bolt carrier group with roller cam pin, and full compatibility with standard AR lowers, this upper is ready for duty, training, or range work the moment you mount your optic and go.

13.75 P15 BASE Upper Features:

• Available Calibers: 5.56x45 NATO or .300 AAC Blackout.
• 5.56 NATO Barrel: 13.75" Barrel, Black Nitride Heat Treated, 4150 CrMoV Steel, 1-8 Twist, 5R Right Hand Lands & Grooves, & 1/2X28 Muzzle Threads.
• 5.56 NATO Barrel: Mid-Length Gas System with Low Profile Gas Block.
• .300 Blackout Barrel: 13.75" Barrel, Black Nitride Heat Treated, 4150 CrMoV Steel, 1-7 Twist, 5R Right Hand Lands & Grooves, & 5/8X24 Muzzle Threads.
• .300 Blackout Barrel: Pistol Length Gas System with Low Profile Gas Block.
• 13" M-LOK® Rail System.
• Mil-spec A2 Flash Hider.
• M4 Feed ramps.
• 0.250" Diameter Takedown Pin Holes.
• Includes U.S. Flag ejection port cover.
• Aluminum Billet Forged Upper Receiver.
• Mil-Spec Bolt Carrier Group with a Roller Cam Pin.
• Mil-spec Charging Handle.
• Finish: Flat Black Hard Anodize.
• Compatible with all Mil-spec AR Lower Receivers.

WARNING - POF-USA WILL NOT ACCEPT ANY ORDERS FOR SHORT BARRELED UPPER RECEIVERS TO RESTRICTED STATES, SUCH AS: CALIFORNIA.

NOTE: ALL UPPERS ARE BUILT TO ORDER