A SECRET WEAPON FOR FEDERAL AR MATCH PRIMERS

I feel its due to the fact federal has the navy contract and uses precisely the same devices. You could have exactly the same thing in 7.62 x51 M1a stuff. They might be crimping as it could be the M1A.Ah hah! That clarifies why the Speer handbook, from the entrance area masking reloading background and matters, only talks about CCI and Federal prim