This is am FN FNX-45 semi-automatic double action pistol in .45 ACP caliber. It has a 4.5" barrel, fixed 3-dot sights, light rail, ambi-safety/decocker, ambi-mag release, ambi-slide stop, interchangeable backstrap inserts, and 15-round magazine capacity. This pistol is in nice condition with a clean, bright bore. It comes in the original plastic hardcase with manual, cable lock, 3 magazines, and 2 backstrap inserts.