Rock River Arms makes some of the best AR-15 rifles in the world. After exhaustive testing, both the FBI and DEA turned to Rock River Arms for their patrol rifle contracts. The LAR-15 R3 Competition Rifle features an Operator A2 buttstock, flattop optic-ready upper and Hogue rubber pistol grip. It features a Top Rail Octagonal Free Float Handguard with an extended length of 15 inches and a low-profile gas block. It has Rock River’s excellent two-stage trigger and an oversized winter trigger guard for gloved hands. The R3 Competition Rifle is chambered in .223 Wylde for exceptional accuracy and accepts .223 Remington or 5.56 NATO. This rifle is built for precision with an 18-inch cryogenically treated stainless steel fluted barrel featuring a 1:8 twist. It also has Rock Island’s directionally tuned and ported muzzle break with a 1/2-28 thread.