Aero Precision's M4E1 300BLK Assemble Upper Gov 16''BBL Pistol-Length Thrd Blk is a testament to superior engineering and design. Featuring a 16-inch barrel with a 1:7 twist rate, this upper receiver is crafted from 4150 Chrome Moly Vanadium with a Q…

Geissele Automatics presents the Super Duty MOD1, a complete upper receiver designed for the AR-15 platform. Engineered with precision, it features a 14.5" Cold Hammer Forged barrel, HuxWrx Flash Hider-QD muzzle device, and Geissele Airborne Charging…

Geissele Automatics presents the Super Duty MOD1, a pinnacle of engineering excellence, designed for the AR-15 platform. This complete upper receiver features a 13.9" Cold Hammer Forged Barrel, ensuring unmatched performance and reliability. The Dese…

Aero Precision's M5 Threaded Upper Receiver Anodized is crafted with precision engineering and robust design. Made from 7075-T6 forged aluminum, it features a matte black hard-coat anodized finish, ensuring durability and resistance to corrosion. Thi…

The Aero Precision M5E1 Enhanced .308 Winchester Assembled Upper Receiver FDE is a marvel of engineering, crafted from 7075-T6 aluminum for superior durability. This upper receiver features a one-piece design that integrates the handguard mounting...

The Aero Precision M4E1 5.56 Assembled Upper is a testament to precision engineering and quality craftsmanship. Featuring a 16" 5.56 NATO barrel with a mid-length gas system, this upper receiver is designed for optimal performance and reliability. Th…

Aero Precision's AERO M5 COMPLETE UPPER 16 308 MID FDE is engineered with precision and durability in mind. Crafted from 7075-T6 aluminum, this upper features a 16" .308 CMV barrel with a mid-length gas system, ensuring reliable performance and ease …

The Sons of Liberty Gun Works SOLGW M4L89UPPER13.7556XL L89 Upper 556 13.7 V2 showcases exceptional engineering and design quality. This complete upper receiver features a 13.7" pinned (16.5" OAL) button-rifled barrel, HUXWRX flash hider, and a low..…

Sons of Liberty Gun Works presents the SOLGW L89 BS V2 5.56 13.7" NOX BLK, a masterpiece of engineering and design. Featuring 7-sided L89 rails with Titanium barrel nuts and integral QD cups, this upper receiver is crafted for precision and reliabili…

Aero Precision's M4E1 5.56 Assembled Upper Govt 18'' BBL Rifle Threaded Black showcases precision engineering and high-performance features. The 18-inch 5.56 NATO barrel and ATLAS R-ONE M-LOK handguard ensure exceptional accuracy and modularity, fini…

The CMMG Resolute MK4 5.56x45mm NATO is a testament to precision engineering and robust design. Featuring a 16.10" barrel and an Armor Black finish, this upper group is crafted for seamless integration with AR15 lower groups. Its M-LOK Free-Float...

The CMMG Resolute MK4 5.56x45mm NATO 16.10" Upper Group is designed with precision engineering and high-quality materials, offering a Midnight Bronze finish and M-LOK Free-Float Handguard for seamless integration with AR-platforms. Ideal for range ti…