The Ruger RUG 91003 AR Upper Receiver Assembled is a factory AR-15 pattern upper built to Ruger’s specifications, providing a clean, flat-top platform ready for your preferred barrel and optics...

The TacFire SSBU55610 5.56 NATO Black Nitride complete upper brings a compact AR-15 configuration together with a 10.5" 5.56 NATO barrel and free-float M-LOK handguard. Built around TacFire’s proven...

The TacFire SSBU55616 5.56 NATO Black Nitride Complete Upper is built for shooters who want a dependable AR-15 upper receiver ready to drop onto their lower. Featuring a 16" black nitride barrel with...

The One Horse OH-CU04 16" 300 Blackout Complete Upper Receiver brings together a 16-inch 4150 steel SOCOM-profile barrel, a 15-inch free-float M-LOK handguard, and a nitride bolt carrier group and...

The Andro Corp Industries ACI U55616ML 556 16" NATO MLOK Upper is a complete AR-15 upper receiver assembly built for dependable performance. Featuring a 16-inch 5.56 NATO barrel with a QPQ...

The TacFire BU762395 7.62x39mm 5" Black Nitride Barrel Complete Upper Assembly brings the hard-hitting 7.62x39 cartridge to the AR platform in a compact, ready-to-install package. Built around a...

The TacFire BU30818 Rifle Upper Assembly brings a ready-to-run .308 Win AR-platform upper to shooters who want a straightforward upgrade. Built around an 18" black nitride barrel and a 7075-T6...

The Stern Defense 010UPPERRECIEVERKKP Upper Receiver gives AR-15 builders a solid, mil-spec foundation with clean machining and a flat top rail ready for your preferred optics. Machined from 7075-T6...

The Andro Corp Industries ACI U30010ML 300BO 10" M-LOK Upper is a compact .300 Blackout upper assembly designed for shooters who want a streamlined AR-platform build. Featuring a 10-inch barrel...

The TacFire BU-556-7 Pistol Upper Assembly brings a compact AR-15 configuration together in a ready-to-run package. Built around a 7" 5.56x45mm NATO barrel with a black nitride finish, this complete...

The DPMS DP51655120177 16" 5.56 NATO 13.5" M-LOK Upper is a complete AR-15 upper assembly built for shooters who want modern modularity with dependable performance. It combines a 16" barrel with an...

The TacFire BU-556-5 Pistol Upper Assembly brings compact AR-15 performance to a 5.56x45mm NATO platform in a fully built, ready-to-run package. Featuring a 5" black nitride barrel capped with an A2...