Stag Stag-15l Upper 556nato 16"

The Stag Stag-15L Upper 556NATO 16" is a precision-engineered upper receiver assembly designed for shooters who demand reliability in duty, competition, or defensive applications. Built for AR-15 platform builds, this upper delivers a balanced performance profile suitable for law enforcement and military personnel, featuring a 16-inch barrel length that provides maneuverability in tight quarters while maintaining effective range beyond 300 yards.

Chambered in 5.56 NATO, this upper receiver assembly is constructed with meticulous attention to tolerances and material quality that define Stag Arms' reputation. The 16-inch barrel offers optimal velocity for 5.56 rounds while maintaining a compact profile, with the upper itself weighing approximately 1 pound, which is critical for extended carry and target transition speed. The assembly is designed to be compatible with any standard AR-15 lower receiver.

This upper receiver assembly is suitable for builders at all experience levels, from first-time AR assemblers to seasoned gunsmiths looking for a proven drop-in component. Installation requires only a standard upper receiver pin and takes minutes with basic tools, although additional components may be necessary for complete functionality. With properly headspaced and inspected barrel components, this upper is designed to deliver tight shot groups from day one.