Bond Arms Barrel Features The Bond Arms replacement barrel chambered in .45 ACP is machined to close tolerances for reliable chambering and consistent accuracy in this 3.5 inch configuration. This mid-length barrel balances sight radius with the compact profile that makes Bond Arms derringers easy to carry giving shooters a versatile middle ground in the lineup. The satin stainless finish provides a smooth corrosion-resistant surface with a polished look suited to both range use and everyday carry. Running .45 ACP through this platform gives owners access to a widely available hard-hitting defensive cartridge. Because this barrel fits any original Bond Arms derringer frame owners can add .45 ACP capability to an existing pistol without purchasing an entirely new firearm. This flexibility lets shooters build a multi-caliber Bond Arms setup tailored to different carry and range needs. Bond Arms has built its reputation on this rugged American-made barrel-swapping system across its derringer lineup. For owners wanting a satin-finished .45 ACP barrel this is a solid mid-length option. Bond Arms Barrel Specifications Brand: Bond Arms Caliber: .45 ACP Barrel Length: 3.5 Finish: Satin Stainless Threaded Barrel: No Available At: GrabAGun