I bought some 'ready to load brass' from midway, not one would fit in my new Anderson upper. Ordered a case gauge and could see the trouble, ran the brass through a Lee 300BLK die, no better. After reading all I could on line I ordered a set of RCBS small base dies. Problem fixed.
Larcus
When reloading for the M1A, why all the worry about the powder. The Mini 30 is almost the same design as the M1A and it will eat most anything. I have both and reload for the M1A but not for the Mini 30, you can buy 7.62x39 cheaper than you can reload them.
I use H4895 now, just wondering if a...