Each flash hider is threaded 16 X 1 left hand twist. For use on all HK German .45 threaded barrels including the HK full size & HK compact models as well as other threaded barrels HK and non-HK alike. Made of 4140 ordnance grade steel, heat treated & finished in the Melonite finish to add the best corrosion and abrasion resistance possible.
Compatible With:
- HK45
- HK45C
- HK USP 45
- HK USP Compact 45
- HK USP 45 Tactical Models
- Other Non-HK .45 Cal Thread Barrels Threaded 16X1 Left Hand Thread
Please Note: Pictures shown are not the exact product available as some cosmetic changes have been made as this is a true 4 prong design. Also, we have added several upgrades to the design a factory HK German .45 cal O-ring to each flash hider to aid in "timing" the flash hider once installed (to your desired position) and to help aide an enhanced fit for each barrel.