Rock River Arms Upper Receiver A4 .223 Wylde 24 Inch Barrel Varmint Profile 1-12 Twist Free-Float Handguard Black

Rock River Arms

Overview

The Rock River Arms Upper Receiver A4 features a complete assembly designed for the AR-15 platform, boasting a 24-inch varmint profile barrel with a 1:12 twist rate optimized for stabilizing lighter projectiles. The .223 Wylde chamber allows for versatility, accommodating both .223 Remington and 5.56 NATO cartridges, making it ideal for precision shooting and varmint hunting. This upper receiver is commonly found in builds focused on long-range accuracy and small game applications.