-in-game description MP-52 Slammer Actual Name Origin Manufacturer First Sighting Affiliation Technical Information Ammunition Fire Mode Statistics Counterpart(s) The Morhaime Combat Technologies Pistol; 52-caliber; Slammer (MP-52 Slammer) is a large Terran semi-automatic, gas-operated handgun designed to fire their 13.2 x 41mm rounds, fed from a 6-round magazine. It features a symmetrical function layout, making this weapon ideal for any handed shooter without requiring modifications or training.