RRA CMPLT CAR A4 UPR 458 SOCOM 16

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 enhanced performance and reliability. The anodized finish provides durability and corrosion resistance, maintaining the upper's integrity under various conditions.

This assembly includes a complete bolt carrier group and charging handle, ensuring seamless integration and function with compatible lower receivers. The 15-inch RRA lightweight M-Lok compatible free-float rail allows for versatile accessory mounting options while contributing to improved barrel harmonics and accuracy. Additionally, the unit comes equipped with a Rock River Arms Operator brake featuring a 5/8-32 thread pitch for effective muzzle device compatibility.

Overall, the Rock River Arms RRA CMPLT CAR A4 UPR 458 SOCOM 16 offers a robust and reliable solution for those seeking a high-quality upper receiver build, combining durable materials with thoughtful design elements for enhanced firearm performance.