The SG 552 Commando is the ultra-compact PDW-length variant of the SG 550 family, with an 8.9-inch barrel for maximum concealability in special operations. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 1998, Switzerland Weight: 88 oz Overall length: 24.8" Status: Active Intended use: Special Operations, Law Enforcement