Complete Upper Receivers

The SPIKE S 556NATO M4 LE Upper with Rail from Spike's Tactical offers a reliable and robust solution for AR-style rifle enhancements. Featuring a 16-inch barrel with a 1:7 twist rate, this upper is designed to accommodate 5.56 NATO ammunition, providing...

The Spike's Tactical SPIKE S 556 Upper 14.5 PB Rail/DYN is engineered for reliable performance and precision. Featuring a 14.5-inch pinned barrel with a mid-length gas system, this upper assembly is designed to fit standard AR-style rifles. The quad rail...

The SOLGW M4-EXO3 13.7 5.56 URG from Sons of Liberty Gun Works is a precision-engineered upper receiver designed to enhance your rifle's performance. Featuring a 13.7-inch barrel optimized for 5.56 NATO, this upper is built with quality Mil-Spec or...

The SOLGW PATROL SL 16 5.56 FSB URG upper receiver by Sons of Liberty Gun Works combines precision engineering with durable materials to enhance your firearm's performance. Featuring a 16-inch 5.56 NATO barrel with a QPQ finish, this upper is designed...

The SOLGW E INDIA KIT V2 5.56 16 BLK from Sons of Liberty Gun Works is a precision-engineered upper assembly designed to streamline your rifle build. Featuring a 16-inch barrel with a mid-length gas system, this upper is constructed with high-quality...

The SOLGW E INDIA KIT V2 5.56 13.7 BLK by Sons of Liberty Gun Works is designed to provide a reliable and efficient upper assembly solution for AR-style builds. Featuring a 13.7-inch barrel with a mid-length gas system, this upper unit offers a balanced...

The SOLGW L89 BS V2 5.56 13.7 HUX BLK, crafted by Sons of Liberty Gun Works, is a precision-engineered upper receiver designed to enhance your firearm's performance. Featuring the robust Broadsword 89 design, this upper includes a 13.7-inch 4150CMV...

The SOLGW L89 BS V2 5.56 13.7 NOX BLK upper receiver from Sons of Liberty Gun Works offers a robust and precision-engineered solution for AR-style rifles. Featuring a 13.7-inch barrel constructed from 4150 CMV steel, this upper is designed to provide...

The Rock River Arms CMPLT MID A4 UPR 450BM 16 5RD is a complete upper receiver assembly designed for AR-15 platforms. Featuring a 16-inch chrome moly barrel with a 1:24 twist rate, this upper is chambered in .450 Bushmaster, providing robust performance...

The Rock River Arms CMPTL RRAGE 3G Upper is a precision-engineered component designed for AR-15 platform rifles. Featuring a durable extruded aluminum upper receiver with an anodized finish, this upper is built to provide reliable performance and...

The Rock River Arms RRA CMPLT CAR A4 UPR 458 SOCOM 16 is a precision-engineered complete upper receiver designed for AR-15 platforms. Featuring a 16-inch chrome moly bull barrel with a 1:14 twist rate, this upper is chambered in .458 SOCOM, offering...

The Rock River Arms CMP Coyote Carbine A4 Upper in 300 Blackout caliber features a robust 16-inch chrome moly steel barrel with a 1:8 twist rate, designed to offer reliable performance and accuracy. This complete upper assembly includes a lightweight,...