Descrition: The Heckler and Koch MP5 Submachine gun is a lightweight, air-cooled, magazine-fed, delayed blowback operated, select-fire weapon that can be shouldered or hand fired. The H&K MP5 submachine gun is chambered for various pistol cartridges to include 9x19mm Luger, .40 S&W, and 10mm Auto. It fires from a closed-bolt position in semi-automatic, 2 or 3-round burst, and sustained fire modes. The weapon utilizes the unique H&K roller-locked bolt system used commonly throughout the H&K family of small arms. The unique features of the H&K MP5 submachine gun include a free floating cold hammer-forged barrel, stamped sheet steel receiver, fluted chamber, straight-line stock and a pistol grip with ambidextrous safety/selector lever.