Bond Arms Bond Derringers 3.5in Smith and Wesson Ruger LCR .38 Special/Ruger Super Redhawk .38 Special/.357 Magnum Threaded Handgun Barrel 3.5 in. 5 inch barrel will fit any and all original Bond Arms hand cannon frames (not Stinger). So whether you are looking to give your derringer a different look or expand the caliber capability of you favorite conceal and carry firearm you can be sure this Bond Arms replacement barrel will perform with the style and reliability you expect from Bond Arms. The following calibers do not have round extractors (image above may not reflect this): .40SW 9mm 10mm .45ACP .380ACP. Specifications for Bond Arms Bond Derringers 3.5in .38 Special Threaded Handgun Barrel: Manufacturer: Bond Arms Color: Silver Finish: Satin Barrel Length: 3.5 in Barrel Material: Stainless Steel Gun Make: Bond Arms Gun Model: Bond Derringers 3.5in Package Contents: Bond Arms 3.5in Derringer Threaded Handgun Barrel What firearm models does the manufacturer say Bond Arms Bond Derringers 3.5in .38 Special Threaded Handgun Barrel is compatible with? The manufacturer suggests that Bond Arms Bond Derringers 3.5in .38 Special Threaded Handgun Barrel is compatible with Bond Derringers 3.5inBond Arms BABL35035738: 3.5in Derringer Handgun Barrel Smith and Wesson Ruger LCR .38 Special/Ruger Super Redhawk .38 Special/.357 Magnum 3.5 in Stainless Steel Satin Finish