Product Summary
The AR-STONER AR-15 Complete Upper Receiver is a high-quality 350 Legend rifle-length upper designed for versatility and performance. It features a 16-inch barrel with a 1:16 twist rate and a carbine-length gas system for reliable cycling. The assembly includes an M4 flat-top upper receiver, a Bolt Carrier Group, a flash hider, and a rear charging handle. Equipped with a 15-inch M-LOK ultralight handguard, this upper is compatible with any mil-spec AR-15 lower receiver.
