The SIG Sauer P228 in 9mm with 3.9-inch barrel, the US military M11 compact pistol. The P228 was adopted by the US Army as the M11 for use by CID, aircrew, and military police. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 13 Year introduced: 1989, Germany/USA Weight: 29 oz Overall length: 7.1" Status: Discontinued Military use: Yes Intended use: Military, Law Enforcement, Carry, Duty, Service