GG&G HK USP Compact Light/Laser Mount Aluminum Matte Black | Cheaper Than Dirt
GG&G HK USP Compact Picatinny Rail Flashlight and Laser Mount, Accessory Rail, GGG-1134SP, RTG Parts
GG&G HK USP Flashlight Picatinny Adapter Aluminum Matte
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
H&K USP Compact Tactical
USP .45 Full Size with new style GG&G rail adapter + X300 | HKPRO Forums