hey everyone I have some questions about my stw. I am loading for a ruger no.1 with 26" barrel. My load consists of 160gr accubond with 80gr of H-1000 and fed 215M primers , the bullet is seated .020" from the lands. My problem is i can't touch 3200fps like I want to with this load. I am already getting flattened primers. I don't know how to measure case head expansion so I don't know about that. My velocity was around 3090fps. I have bought some RL-22 but I don't know were to start with this powder. Should I try a different primer or what here. My brass is winchester brass also if that helps. help me out here people..