The CMMG Banshee Upper Group 9mm 8 BLK is a testament to superior design and engineering, offering carbine-like ballistic performance in a compact size. This upper group utilizes CMMG's Radial Delayed Blowback technology, providing a smoother shootin…

The Aero Precision M5E1 Enhanced Assembled Upper Receiver is a marvel of engineering, combining the handguard mounting platform with the upper itself for a streamlined, robust design. Made from 7075-T6 aluminum, it features M4 feedramps, .2795 takedo…

Introducing the CMMG DISSENT Upper Group 9MM 6.5 BLK, a marvel of engineering and design. This upper group features a 6.5-inch barrel, utilizing CMMG's patent-pending Compact Action and Radial Delayed Blowback technology. The forward non-reciprocatin…

CMMG introduces the DISSENT MK4 Upper Group 300BLK 6.5 BLK, a marvel of engineering and design. This upper group is crafted for those who desire a compact yet powerful solution for their AR15 or Mk4 DISSENT lower. Featuring a patent-pending direct...

Aero Precision's M4E1 .300 Blackout Assembled Upper Receiver is a marvel of engineering, designed with precision and quality in mind. Featuring a 16" barrel with a pistol-length gas system, this upper receiver is perfect for range time and training. …

Aero Precision presents the M4E1-T Upper, a masterpiece in firearm engineering. This upper receiver is crafted with precision from 7075 T6 aluminum, ensuring durability and performance. It features an 8" .300 Blackout barrel with a 1:7 twist, perfect…

Aero Precision's EPC 9 Threaded Upper Receiver in Olive Drab Green is engineered for precision and reliability. Crafted from custom forged 7075-T6 aluminum, it features a last round bolt hold open mechanism and is compatible with most AR15 barrel nut…

Introducing the CMMG Banshee Upper Group 5.7x28 5 BLK, a marvel of modern engineering and design. This upper group is crafted with precision, featuring a 5-inch barrel and a radial delayed blowback operating system, ensuring smooth and reliable...

Aero Precision's M4E1 Assembled Upper Kodiak Brown offers a distinctive design with angular machined contours, setting it apart from conventional mil-spec upper receivers. Forged from durable 7075-T6 aluminum, it is precision machined for compatibili…

The Aero Precision M4E1-T Upper 5.56 14.5" BLK is a testament to precision engineering and design excellence. Featuring a 14.5" 5.56 NATO barrel with a mid-length gas system, this complete upper receiver offers a perfect balance of maneuverability an…

The Aero Precision M5 Complete Upper 22 6.5 Creedmoor Fluted FDE is a testament to precision engineering and design excellence. Featuring a stainless steel fluted barrel and ATLAS S-ONE 15 M-LOK handguard, this upper receiver offers superior accuracy…

Aero Precision's M4E1-T Complete Upper 14.5 5.56 Mid is engineered for precision and reliability. Crafted with a 7075 T6 aluminum upper receiver and a 14.5" 5.56 NATO barrel, it offers a sleek anodized black finish and enhanced handguard design for..…