The Aero Precision M4E1 Threaded Upper Receiver FDE is a marvel of engineering, crafted with a new angular machined design that sets it apart from standard mil-spec upper receivers. Forged from 7075-T6 Aluminum, it boasts a precision-machined body...

Aero Precision's M4E1-T 6.5 Grendel Assembled Upper SPR 18''BBL Rifle Threaded Black showcases superior engineering with its enhanced forging for a billet look, M4 feed ramps, and laser engraved T-marks. Designed for precision shooting, it features a…

Aero Precision presents the AR-15 Assembled Upper Receiver, a masterpiece of engineering crafted from 7075-T6 aluminum. This model, designed without a forward assist, features precision machining to mil-spec M16/M4 specifications, ensuring reliabilit…

The CMMG DISSENT MK4 Upper Group 300BLK 16.1 BLK is engineered with precision and versatility in mind. Featuring a 16.1" barrel, this upper group maximizes performance with a variety of .30 Cal power options, from subsonic to supersonic loadings. The…

Aero Precision presents the M4E1-T Complete Upper, a masterpiece of engineering with an 18" .223 Wylde QPQ Rifle Length Barrel and 16.6 ATLAS R-ONE FDE Cerakote. This upper receiver is designed for precision and reliability, featuring a threaded asse…

The CMMG 30BC40AMB Resolute MK4 is a testament to precision engineering and design excellence. This upper group, chambered in 300 Blackout, features a 16.10" barrel and a Midnight Bronze M-LOK Free-Float Handguard, making it a versatile choice for...

The CMMG Banshee MK4 Upper Group 22LR 9 BLK is a testament to CMMG's dedication to quality engineering and design. This upper group is crafted for those looking to complete a .22 LR build or have a dedicated .22 upper for affordable plinking. It...

The CMMG Upper Receiver Assembly for Mk4/AR15 Armor Black is expertly crafted from aircraft-grade aluminum, ensuring a robust and durable build. This assembly features a ZEROED Polymer Dust Cover pre-installed and omits the forward assist, providing …

Aero Precision presents the M4E1 5.56MM Stripped Upper No Forward Assist for AR-15 FDE, a testament to superior engineering and design. This upper receiver is crafted from high-quality aircraft aluminum with an anodized finish, ensuring durability an…

The CMMG 28B260CTI Resolute 22 ARC is engineered with precision, featuring a 16.10" 4140 steel barrel and a 15" M-LOK handguard for superior handling. This model is crafted from 7075-T6 aluminum, ensuring durability and performance in every use.Ideal…

The Aero Precision M4E1-T Upper 5.56 10.5" BLK is a testament to precision engineering and design excellence. Crafted with a focus on durability and performance, this upper receiver features a 10.5" 5.56 NATO barrel, anodized black finish, and a slee…

The Wilson Combat TRUPPERBIL Billet Upper Receiver is a testament to precision engineering and design excellence. Crafted from 7075-T6 aerospace aluminum, this upper receiver features a top Picatinny rail and M4-style extended feed ramps, ensuring sm…