Thanks all! Great info as usual.
You're on to it @grandpamac - I don't really want to step up from a start load in tiny increments. The node for W760 was pretty anaemic, not far off max recommended but under 3000FPS. I'm hoping for faster with 150 grain pills, and max for AR2213sc should give me that. Will flick you a PM, @Hindquarters.
I hadn't settled on a COAL yet, @ChrisW. This was going to be the next step, but I ran out of powder...
I'll follow up on some of the other info people have shared (need to find out what "OBT" and GRT" mean) but this has given me some guidance to shorten up the process!
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