The Brownells MK18 Block II Tribute Bundle is a testament to superior design and engineering, featuring a Daniel Defense MK18 SOCOM Upper Receiver, a B5 Buttstock, and an Eotech EXPS3 Holographic Sight. This bundle is crafted for reliability and ease…

The Brownells BRN-180 GEN 2 Upper Receiver, chambered in .223 Wylde with a 16'' barrel, showcases superior engineering and design quality. This upper receiver features a short-stroke gas piston operating system, ensuring ultra-reliability and...

Aero Precision presents the AR-15 Stripped Upper Receiver No Auto Sear Cut, engineered with precision and crafted from high-quality aircraft aluminum. This receiver boasts a black anodized finish and M4 feedramps, ensuring smooth operation and...

The Colt M4 LE6921 Upper Group 14.5in Stripped is engineered for precision and reliability, featuring a robust anodized finish and a 1/2-28 muzzle. This AR-15 upper receiver group is designed for seamless integration with your existing setup, offerin…

The Colt M4 LE6933 Upper Group 11.5'' Stripped is a testament to Colt's engineering prowess, offering a robust and reliable platform for AR-15 enthusiasts. Featuring a 1/7 twist chrome-lined barrel, this upper group is designed for precision and...

Aero Precision's PISTON UPPER 18IN SS BARREL 15IN HANDGUARD SS SEMI-ONLY showcases exceptional engineering with its Superlative Arms Piston Kit, designed for seamless integration and superior performance. This complete upper receiver group features a…

The LMT Defense MRP-H MLOK 12.5" Upper Receiver is a marvel of engineering, crafted from aerospace-grade aluminum for unmatched durability and precision. This monolithic design features M-LOK attachment points on all eight sides, allowing for versati…

Forward Controls presents the AR-15 Billet Upper Receiver with Forward Assist Provisions, a masterpiece of engineering and design. Crafted from high-quality billet aluminum, this upper receiver is anodized for durability and features forward assist..…

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…

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...