A quick presentaion by Destockage Games of the Umarex HK45 CT GBB Pistol they have in stock... "Choose the UMAREX Gas Blowback (GBB) HK45 CT for your next game! A quality ambidextrous replica with a partially textured grip. It has official markings and a picatinny rail under the barrel. Under license from Heckler & Koch, this semi-auto will be the ideal partner for all your CQB games."