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 APAR308505AC Assembled Receiver is crafted with precision and durability in mind. Forged from 7075-T6 aluminum, this receiver is designed to accept standard .308 components, making it an ideal choice for your big bore build. It...

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 …

Introducing the Radian Weapons Complete Upper 9" .300 Blackout FDE, a masterpiece of engineering and design. This upper receiver is crafted with precision, featuring a 9" barrel and an 8" M-LOK handguard, ensuring optimal performance and ease of use …

Daniel Defense's DDM4 300S Upper Receiver Group is a testament to superior engineering and design. Featuring a 10.3-inch cold hammer forged barrel with chrome lining and a pistol length gas system, this upper receiver ensures optimal performance and.…

The Sons Of Liberty Gun Work M4-89 11.5" 5.56 URG is a testament to precision engineering and robust design. Featuring a combat-grade barrel and a QPQ corrosion-resistant finish, this upper receiver group is crafted for reliability and performance. I…

Forward Controls presents the FCD Billet Upper Receiver No Forward Assist V3 Black, a testament to superior engineering and design. Crafted from 7075 billet and Type III hard coat anodized, this upper receiver offers compatibility with most MLOK and.…

The Aero Precision APAR308505C Receiver is a testament to superior engineering and design. Crafted from 7075-T6 aluminum, this stripped upper receiver is precision machined to accept standard .308 components, making it an ideal choice for your big bo…

The Anderson AM-15 Upper Receiver Assembly showcases Anderson's commitment to quality and precision engineering. Designed for seamless integration with AR-15 platforms, this upper receiver is crafted from 7075 T6 aluminum forging, ensuring durability…

Heckler & Koch presents the MR556 A4 Upper Receiver Kit, a pinnacle of engineering excellence. This kit features a 16.5" cold hammer-forged barrel, an adjustable gas block, and an M-LOK handguard, ensuring superior performance and reliability. Design…

The Daniel Defense MK18 Upper Receiver Group is a testament to superior design and engineering, featuring a 10.3" Cold Hammer Forged Barrel and the renowned RIS II Rail System. This complete upper receiver is crafted for precision and reliability, ma…

The Daniel Defense DDMK18 Upper Receiver is a top-tier option designed for optimal performance and reliability. Featuring a 10.3" Cold Hammer Forged Barrel and the MK18 Rail Interface System (RIS II), it’s the same upper used by USSOCOM for CQB...