Bond Arms BABL30045ACP Derringer 45 ACP Satin 3" Stainless SteelBond 3" barrel makes your Bond Arms Derringer into a small package that packs a serious punch. So whether you are looking to improve the conceal ability of your standard Bond Arms Derringer, give your derringer a different look or expand the caliber capability of your favorite conceal carry firearm, you can be sure this Bond Arms accessory barrel will perform with the style and reliability you expect from Bond Arms.