Description
HK Flash Hider Retaining Ring
Brand new HK German manufacture.
HK flash hider, muzzle break retaining ring. This item is the ring that fits inside the flash hider that indexes with the splines of the HK barrel to provide a positive lockup of the flash hider and barrel so the flash hider stays in place and does not work loose under fire.
Compatible With:
- HK91, G3
- HK 93, HK53, HK33
- HK21E, HK11E, HK23E, HK13E