Threaded Barrel .578 X 28 - US - HK USP Compact .45

Threaded Barrel .578 X 28 - US - HK USP Compact .45

Threaded Barrel - German - HK45C, HK45C Tactical

SilencerCo Threaded Barrels: Beretta, Glock, H&K, and more

Mini Ghost HK USP Handgun Thread-On Compensator - .578 x 28 - M16 x 1.0 LH - .45 . - GRIZZLY GUNWORKS - Custom Muzzle Brakes

HK Barrel Thread Protector USP Tactical 45 ACP Steel Blue

Springfield Armory XD-M 4.5 Threaded Barrel .45 ACP [FC-706397962913] - Cheaper Than Dirt

SilencerCo Threaded Barrels: Beretta, Glock, H&K, and more

HK USP 45 Barrel

Handguns - Guns: .45 ACP and 4.5

Hi-Point JXP, economical hand cannon. - Guns and Cornbread

Handguns - Guns: Pistol and 4.5

16MM x 1LH(female) to .578″-28 TPI (male) Thread Converter, Heckler and Koch, HK – SKU#058

AB Prototype A-10 Threaded Barrel, P320 5.7in, 10mm, NO LCI, Black - AB Prototype

Thread Protector - .578 X 28 - US - HK45

HK Parts Micro Comp - .45 Cal - .578 x 28 - Vented