The KAHR FIREARMS GROUP is a USA based firearms manufacturer which includes Kahr Arms, Thompson, Auto-Ordnance and Magnum Research. Kahr Arms produces a line of high-quality concealed carry pistols. Kahr's line includes firearms with polymer and stainless steel frames with stainless steel slides in four of the most popular calibers: 380 ACP, 9 mm, 40 S&W and. 45 acp.