Heckler & Koch HK45C 4.57" Threaded Barrel, Black Steel - 51000982

Direct drop-in barrel replacement for the HK45 Compact pistol chambered in 45 ACP. Features a 4.57" length with 16mm x 1mm left-handed thread pitch for suppressor mounting. This barrel is specifically designed for the HK45 Compact and will not fit the full-size HK45 or USP models.