I do think its since federal has the military contract and takes advantage of the same machines. You might have the identical issue in 7.62 x51 M1a things. They could be crimping because it would be the M1A. - In the 1979 situation ofUnited States v. Michigan, Judge Noel p. https://federalprimers21084959.ampblogs.com/the-best-side-of-federal-primers-large-rifle-magnum-68615227