The .25 ACP is the smallest of the centerfire pistol cartridges developed by John Moses Browning. It was introduced in the early 1900s with defensive use in mind, as reflected in the lineup of subcompact handguns offered by FN and Colt at the time. At the time of its introduction, the .25 ACP's jacketed bullet represented a significant advance in reliability over that of the lead-nosed .22 LR. Notable handguns chambered for this caliber include the Beretta Model 21, Taurus Model 25, Baby Browning, and Walther TPH. These are all highly compact pistols that may be concealed where a slightly larger firearm would print visibly.