This is a Walther PDP Compact semi-automatic pistol in 9mm Luger caliber. It has a 5" barrel, 3-dot adjustable sights, optics ready slide, ambi-slide release, light rail, interchangeable back strap inserts, and 15-round magazine capacity. This pistol comes in the original plastic hardcase with two magazines, loading tool, cable lock, manual, and three backstrap inserts.