Rock River Arms Completed Upper Receiver Varmint A4 .308/7.62X51mm NATO 20 Inch Barrel 1-10 Twist Free-Float Handguard Black

Rock River Arms

Resumen

The Rock River Arms Completed Upper Receiver Varmint A4 is a fully assembled upper designed for the AR-10 platform, featuring a 20-inch barrel optimized for .308 Winchester. With a 1:10 twist rate, this upper provides reliable stabilization for a range of bullet weights, enhancing accuracy for both target shooting and hunting applications. This upper is commonly utilized in varmint and precision builds where performance and consistency are key.