Green Rechargeable Laser Sight with GG&G Rail Adapter for HK H&K USP Pistols 768612045801 | eBay
GG&G HK USP Flashlight Picatinny Adapter Aluminum Matte
WTS WA - HK USP Tactical 45 LE model (3 mags and night sights) brand new | Northwest Firearms
Hey guys same gun new accessories, H&K USP EXPERT 45/ Solum Tool +3 Mag Extension and GG&G Rail Adapter : r/HecklerKoch
GG&G Rail Adaptor for HK USP - YouTube
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