Alexander Arms produced one of the earliest commercial .458 SOCOM rifles, an 18-inch heavy-barreled AR-15 designed around the large-bore cartridge developed by Teppo Jutsu for special operations close-range stopping power applications. Type: Rifle Action: Semi-Automatic Caliber: .458 SOCOM Capacity: 7 Year introduced: 2001, USA Weight: 96 oz Overall length: 34" Status: Active Intended use: Hunting, Military, Home Defense