The XDM Elite OSP is the dedicated optics-ready variant of the XDM Elite Compact, with a factory-milled slide accepting a wide range of micro red dots directly. OSP stands for Optical Sight Pistol. It ships without an optic, allowing the buyer to choose their preferred red dot. Capacity and frame dimensions match the standard XDM Elite 3.8-inch Compact. Type: Semi-Auto Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 19 Year introduced: 2020, Croatia/USA Weight: 28 oz Overall length: 7.25" Status: Active Intended use: duty_carry, concealed_carry, range