New Products: BRN-4 Complete Upper Receivers
This video introduces the new BRN-4 Complete Upper Receiver Assembly from Brownells. It covers the components included, installation of muzzle devices and handguards, available barrel options (medium and heavy profiles), and compatibility with standard AR-15 lower receivers. The features highlighted include all-new production parts, nitride barrels with a 1:7 twist, easy maintenance via a removable op-rod and piston assembly, and compatibility with standard AR-15 charging handles.









