• 16mm X 1.0 mm left hand twist thread
• Barrel length: ,5.20 in.
• This barrel is NOT the same barrel for the USP45 this barrel will fit the HK45 handguns only.

Not all HK webshop products are shippable to all U.S. states. Please check local laws and regulations before ordering. Heckler & Koch does not warrant that a person may legally purchase, possess, or carry specific items offered on this website according to federal, state, or local laws. A person placing an order for such items on this website warrants that he or she is an adult and is under no legal restrictions which would prohibit such person from ordering, owning, possessing, or transferring these items under applicable federal, state or local law.