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 Aero Precision M4E1 5.56 ASSEM UPPER GOVT 11.5'' BBL CARBINE THREADED FDE is a testament to precision engineering and robust design. Featuring an anodized finish in Flat Dark Earth, this upper receiver is crafted for the AR-15 platform, offering …

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…

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…

The Brownells BRN-180SH 10'' Upper Receiver 300BLK is a testament to precision engineering and robust design. Crafted for suppressor optimization, it features a 10'' barrel with a 300 Blackout chambering, ensuring flexibility in ammunition choice. Th…

The Brownells BRN-180 Gen 2 Upper Receiver 223 Wylde 18.5'' Barrel Black is a testament to superior design and engineering. This complete upper receiver assembly features a robust short-stroke gas piston system, ensuring maximum reliability and minim…

The Brownells BRN-180 GEN 2 SPORT 16'' 223 Wylde Upper Receiver Assembly is a marvel of modern engineering, offering a robust design with a 16'' barrel made from 4150 carbon steel and a Nitride finish. This upper receiver is chambered in .223 Wylde,.…

Introducing the Brownells BRN-180S GEN 2 10.5'' 7.62X39MM Upper Receiver Assembly, a masterpiece of engineering and design. This complete upper receiver assembly features a robust anodized finish and a 10'' barrel with a 1-9.5 twist, ensuring reliabi…

The Colt CLT Upper 223REM 16.1 is engineered for precision and reliability, featuring a 16.1-inch barrel without handguard or sight. Designed for seamless integration, it includes a charging handle and bolt, making it an ideal choice for customizatio…

The Colt EPR Upper Kit 5.56 14.5" BLK is a testament to Colt's commitment to quality and precision. Engineered with high-quality components, this upper kit is designed for both new shooters and seasoned gun owners. Its durable construction and long-t…

The Colt EPR Upper 5.56 16" MLOK BLK is a testament to Colt's dedication to quality and reliability. This upper receiver features a 16" chrome-lined barrel, M-LOK handguard, and is compatible with 223 Rem/556 NATO. Designed for durability and precisi…

The Faxon Firearms URFAXFAC338 Upper Receiver is a testament to Faxon's commitment to quality and innovation. Crafted from 7075-T6 forged aluminum, this upper receiver is designed for the 338 ARC caliber, offering enhanced reliability with modified f…