GG&G HK USP Compact Light/Laser Mount Aluminum Matte Black | Cheaper Than Dirt
Amazon.com : GG&G Hu USP Comp Slim Line M3/M6 Mount Gun Stock Accessories : Sports & Outdoors
H&K USP Compact Tactical - An HK USP 45 CT with barrel thread protecter, GG&G rail adapter with a 2nd Generation Viridian X5L green laser sight and tactical light. | Facebook
HK Flashlight Mounts
HK USP TACTICAL 45 | Northwest Firearms
Amazon.com : GG&G Hu USP Comp Slim Line M3/M6 Mount Gun Stock Accessories : Sports & Outdoors
GG&G HK USP Full Size Light/Laser Mount Aluminum Matte Black | Cheaper Than Dirt