Patriot Ordnance Factory P415 5.56 NATO Complete Upper Receiver, 10.5" Nitride Barrel, Piston Driven, 9" M-LOK Handguard

The Patriot Ordnance Factory P415 Complete Upper Receiver delivers premium piston-driven performance in a compact 10.5-inch configuration. Chambered in 5.56x45mm NATO, this upper features POF-USA’s proven short-stroke gas piston system, offering cleaner operation, reduced fouling, and enhanced reliability compared to traditional direct impingement systems.

The 10.5-inch black nitride barrel provides durability, corrosion resistance, and extended service life, while the black anodized aluminum receiver ensures strength without added weight. A lightweight 9-inch M-LOK free-float handguard allows for versatile accessory mounting, including lights, lasers, and foregrips, making it ideal for tactical setups, range use, and defensive applications.

Designed to fit mil-spec AR-15 lower receivers, the P415 upper delivers premium performance in a compact, maneuverable platform. Whether building a duty rifle or a compact defensive setup, this piston-driven upper offers the reliability and innovation POF-USA is known for.