I believe Johnny found that the Federal Match primers got him better accuracy than the CCI 450's. I do use the CCI 450's when I can find them but I will spend a little more for the Federal Match primers when I find them. I have tried 2520 in several loads and like it but not with 77's.

kwg

For liberals and anarchists, power and control is opium, selling envy is the fastest and easiest way to get it. TRR. American conservative. Never trust a white liberal. Malcom X Current NRA member.