The P-3AT is a locked breech, double action only, .380 ACP pistol introduced by Kel-Tec in 2003 and based on the P-32. The frame is made of polymer with an aluminum insert, and the slide and barrel are steel. It is the lightest production .380 ACP pistol in the world, weighing only 8.3 oz (240 g) empty, and is roughly the same size as many .22 and .25-caliber pistols.