Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 7 Inch Barrel 1-9 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hide Black
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Rock River Arms
Overview
The Rock River Arms Completed Pistol Upper Receiver A4 is designed for the AR-15 platform and features a 7-inch barrel with a 1:9 twist rate, making it suitable for stabilizing a variety of bullet weights. This complete upper assembly comes finished in black and includes an A2 flash hider, which helps reduce muzzle flash for better concealment. Builders often choose this upper for compact, close-quarters setups that benefit from a lightweight and maneuverable configuration.
Specifications
Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 7 Inch Barrel 1-9 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hide Black
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Price and stock
Today the one retailer we track is out of stock. Listed prices start at $459.99 at Optics Planet for when it comes back.
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