The Bushmaster XM-15 E2S 24-inch is a long-range varmint configuration with a 24-inch chrome-moly steel barrel, free-float handguard, and flat-top upper for optics mounting. The 24-inch barrel squeezes maximum velocity from the .223 Remington cartridge, extending effective range on prairie dogs and coyotes. Fixed A2 stock provides a stable shooting platform for prone benchrest-style varmint shooting. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2000, USA Weight: 9.6 oz Overall length: 43.5" Status: Discontinued Intended use: Hunting, Precision Shooting