I didn't take a picture of the group I shot with ammo using the Federal magnum primers. It was embarrassing. I believe the slower speeds and poorer accuracy is due to too low of a powder charge being used in fireformed brass. I'll load a ladder and work my way up shooting them over a chrono.



[Linked Image from i.postimg.cc]

[Linked Image from i.postimg.cc]


Medics bury their mistakes..