Surefire Nitrolon P115D.
Super rare, this won't break like the Insight UTLs/M2s and are still covered by Surefire's lifetime guarantee. 
Rails work and allow fitting of other flashlights/lasers too. 
Fits H&K USP9 USP40 USP45 Tactical.
Will not fit the compact model.  
Complete set, rail included. 
Last one i have, in great shape.  

The flashlight works flawlessly and lens are clear. 
 
Combined shipping available, check my other auctions.
Worldwide tracked shipping, insurance at buyer’s request.