Heckler & Koch Thread Cap 40 S&W, Black Steel - 970173

This HK thread cap is a barrel component designed for H&K VP40 and USP40 pistols in 40 S&W caliber. Manufactured from black steel, it measures 13.2mm in length and features a 5.8mm width. The cap threads onto the barrel muzzle to protect the threads when a suppressor or other muzzle device is not attached.