High quality crush washer made of browned spring steel with an inner diameter of 16,5mm. You will need this crush washer to align muzzle brakes or flash hiders on your Heckler & Koch MR223 & MR308.
You can find two different muzzle geometries on your Heckler & Koch MR223 and MR308 sporting rifle. This geometries require a special crush washer in order to align our following products:
VAULT556 M15x1
VAULT556 SuperSport M15x1
BirdCAGE556 M15x1
TwistFORK556 M15x1
VAULT762 M15x1
VAST930 M15x1
on your Heckler & Koch MR223 oder MR308 sporting rifle.
Please notice that this crush washer is installed alone and not in combination with other crush washers!