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 postive 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 93/53/33
- HK21E, 11E, 23E, 13E