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

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

Barrel- US - 6.10" - Mark 23

HK Barrel Thread Protector USP Tactical 45 ACP Steel Blue

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

New CAM-LOK™, universal QD piston system from Griffin Armament - Page 9

Mini Ghost 1911 Handgun Thread-On Compensator - .578 x 28 - .45 . - GRIZZLY GUNWORKS - Custom Muzzle Brakes

Picked up a cool HK USP Elite 9mm :):)

HKP .578 X 28 Slotted Micro Comp

Suppressor - .45 - The Premier Class II & III Gunsmith for LEO and Civilians - Transfers, Machining and Coating

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

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

Obsidian45™, Handgun Silencer

RCM HK USP .45 THREADED BARREL .578-28 - Rim Country Manufacturing