The Rock River Arms LAR-8 Varmint A4 is a 20-inch stainless steel heavy barrel .308 AR built for precision long-range varmint and deer hunting. Features RRA's free-float handguard, two-stage trigger, and 1:10 twist rate optimized for 168-175 grain .308 match loads. The combination of .308 terminal energy and AR-15-ergonomic platform makes it a practical big-game hunting configuration. Type: Rifle Action: Semi-Automatic Caliber: .308 Winchester Capacity: 20 Year introduced: 2008, USA Weight: 9.2 oz Overall length: 42" Status: Active Intended use: Hunting, Precision Shooting