The Kahr Arms PM is a series of double-action only polymer-framed pistols. Barrels are 3 or 3.2 in length and are adorned with drift adjustable sights. The stainless steel slide is available with a stainless steel or black finish. The PMs textured polymer grips to ensure a steady grasp whenever you need this concealed carry pistol.DetailsCaliber .4 SW - Capacity 51 61 (magazine with grip extension) - Operation Trigger cocking DAO lock breech Browning-type recoil lug passive striker block no magazine disconnect - Barrel 3.1 polygonal rifling 1-16 right-hand twist - Length OA 5.47 - Height 4. - Slide Width .94 - Weight Pistol 15.8 ounces Magazine 1.9 ounces - Grips Textured polymer - Sights Drift adjustable tritium night sights - Finish Black polymer frame matte blackened stainless steel slide - Magazines 2-5 rd flush floorplate 1-6 rd extended grip