This is the Streamlight Tactical Pistol Rail Adapter for the H&K USP Full size handguns. This rail adapter allows weapon lights such as the Streamlight TLR-1, TLR-2, TLR-3 & TLR-4 weapon lights to be mounted to the H&K USP Full Size pistols. Streamlight H&K USP adapaters will work with the following lights:
- Streamlight TLR-1, TLR-2, TLR-3, TLR-4, TLR-VIR
- Insight M3, M3X, M6 & M6X
- SureFire X200/X300 & X400