WHAT DOES FEDERAL GM150M PRIMERS MEAN?

They often go bang for me and appear to be constant. I have only utilised their small pistol primers. I have utilised a good amount of CCIs too, and whilst They may be good, I even now like the Feds.federal 210m primers now available on the net Proudly serving our consumers for more than forty various yrs, Midsouth Shooters can offer you utilizing