First upgrade of the M9 for U.S. military use, adding an integral MIL-STD-1913 Picatinny rail, improved checkering on the frontstrap and backstrap, and a sand-resistant magazine. Deployed with USMC and SOF units primarily in Iraq and Afghanistan. Type: Pistol Action: Semi-Auto Caliber: 9mm Luger Capacity: 15 Year introduced: 2006, USA Weight: 33.9 oz Overall length: 8.5" Status: Current (commercial) Military use: Yes Intended use: Military, Duty / Service