The HK45 Spare Barrel (brand part no. 51000983) is a black, 5.2-inch replacement barrel chambered in .45 ACP and built for the HK45 Tactical, or to upgrade a standard HK45 to accept threaded suppressors and other muzzle attachments. It’s a straightforward way to add threaded-muzzle capability to a pistol that didn’t come with it, or to have a genuine spare barrel on hand for a Tactical model that already runs threaded.

Key Specifications

• Chambered in .45 ACP.
• Measures 5.2 inches in barrel length.
• Fits the HK45 Tactical, or upgrades a standard HK45.
• Enables use of threaded suppressors or other muzzle attachments.
• Finished in black.

Frequently Asked Questions

Does this barrel accept a suppressor? Yes, it enables threaded suppressors or other muzzle attachments.

Will this fit a standard HK45? Yes, it can upgrade a standard HK45 to accept threaded attachments, or serve as a spare for the HK45 Tactical.

Buy the HK45 Spare Barrel

Add threaded-muzzle capability to your HK45 or keep a genuine spare on hand. Order it from our Heckler & Koch / H&K lineup of handgun barrels as soon as it’s ready to ship from our Lubbock, Texas gun shop.