The Aero Precision M5 Complete Upper 22 6.5 Creedmoor SS Fluted is a testament to precision engineering and design excellence. Featuring a 22-inch fluted stainless steel barrel and a 15-inch ATLAS S-ONE M-LOK handguard, this upper is crafted for...

Aero Precision's M4E1 Enhanced 5.56mm Assembled Upper Receiver for AR-15 in Kodiak Brown is a marvel of engineering and design. This upper receiver integrates the handguard mounting platform with the upper itself, creating a robust and lightweight sy…

The CMMG 28B260CSG Resolute 22 ARC is a testament to precision engineering and design excellence. Featuring a 16.10" 4140 steel barrel and a 15" M-LOK handguard, this firearm delivers 22-250 levels of ballistic performance from the AR-15 platform,...

Aero Precision presents the M4E1-T Upper 5.56 10.5" FDE, a testament to superior engineering and design quality. This complete upper receiver is crafted for AR-15 builds, featuring a 10.5" barrel with a 1:7 twist rate and a carbine-length gas system.…

Aero Precision's M4E1 5.56mm 10.5" Carbine Upper Receiver is a testament to precision engineering and design excellence. Crafted from 7075 T6 aluminum, this upper receiver features a 10.5" barrel made from 4150 chrome-moly-vanadium steel, ensuring...

Aero Precision's M4E1 Threaded Assembled Upper Receiver showcases a new angular machined design, crafted from 7075-T6 aluminum for durability and precision. This upper receiver integrates seamlessly with Enhanced and ATLAS Series Handguards, featurin…

Aero Precision's M5E1 Enhanced .308 Winchester Assembled Upper Receiver ODG showcases superior engineering with a one-piece design that integrates the handguard mounting platform into the upper itself. This innovative construction reduces the number …

Aero Precision's M4E1 Stripped Upper Receiver is a testament to superior engineering and design. Crafted from 7075-T6 Aluminum, it features a unique angular machined design that sets it apart from standard mil-spec receivers. This upper receiver is..…

Aero Precision's M4E1 5.56 NATO Assembled Upper Receiver combines precision engineering with a sleek design. Featuring a 14.5'' mid-length barrel, this upper receiver is crafted from forged 7075 T6 aluminum with a hardcoat anodized finish, ensuring..…

Aero Precision's EPC-9 Assembled Upper in Flat Dark Earth is a testament to precision engineering and quality design. This upper receiver is crafted from anodized aluminum, ensuring durability and a sleek finish. It features a last round bolt hold op…

Aero Precision's M4E1 5.56MM Stripped Upper No Forward Assist for AR-15 is a testament to precision engineering and quality design. Crafted from custom 7075-T6 aluminum forgings, this upper receiver offers a billet look while maintaining the structur…

CMMG has revolutionized the PCC world with the 9mm DISSENT Upper Group, featuring the Radial Delayed Blowback Operating System. This innovative design integrates the action and recoil system into the upper receiver, eliminating the need for a traditi…