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 Picatinny Rail Flashlight Mounts| HK USP Flashlight Mounts | GG&G Tactical Accessories
GG&G SLIM LINE M3/M6 MOUNT FOR HK USP FULL-SIZE PISTOLS | Laser Sight Pro
GG&G 1913 RAIL ADAPTER FOR HK USP - YouTube
ArmaLaser GTO RED Laser Sight w/ GG&G Rail Adapter for H&K USP Compact Pistols | eBay
Gg&g Hk Usp Comp Slim Line M3/m6 Mnt
GG&G HK USP Compact Light/Laser Mount Aluminum Matte Black | Cheaper Than Dirt
What rail adapter is this for USP? | HKPRO Forums
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
SOLD* HK USP 9 Compact & HK USP 45 Compact | Louisiana Gun Classifieds & Discussions - Bayou Shooter