This is a factory replacement barrel for an HK45C chambered in .45 ACP. The barrel is threaded 16x1 LH and allows for the attachment of suppressors and similar devices. The barrel is 4.57" long and features a blued finish.
Specifications and Features:
Heckler & Koch HK45C Threaded Barrel 234020
4.57" Threaded barrel
Heckler & Koch HK45C firearms only