LARUE TACTICAL OBR (OPTIMIZED BATTLE RIFLE)
5.56 NATO (new 2011) or .308 Win./7.62 NATO cal., AR-15 style, GIO, 16.1, 18, or 20 in. barrel, A2 flash hider or TranQuilo muzzle device (new 2020), 20 shot box mag., flared magwell, Troy front and optional BUIS rear sight, A2 fixed (20 in...