Calibers: 5.56 NATO/.223 Rem., 16-in. barrels. 2A Armament is a subsidiary of 2A Machine, a CNC, ISO 9001 and AS 9100 certified advanced-manufacturing machining shop for the aerospace, medical, prosthetic, motorsports, semiconductor and outdoor recreation markets. Established 2009. Based in Boise, Idaho. BLR-16 Gen 2 is company's lightest rifle at 5.0 lbs. No magazine included. BLR Gen 2 Carbon has Proof Research carbon-fiber barrel, Timney 2-stage trigger, MAGPUL CTR stock, and "2A-GRAY" Cerakote finish. Palouse-Lite Rifle has forged U/L receiver. Weight: 5.3 lbs.