Q LLC Sugar Weasel 5.56 NATO 13" Threaded Barrel Upper - ACCSW55613INUPPER

This is a complete upper receiver assembly for AR-15 platforms, chambered in 5.56 NATO with a 13-inch threaded barrel featuring a 1:7" twist rate. The upper is designed for the Sugar Weasel platform and includes a threaded muzzle end for mounting suppressors or other muzzle devices.