My go to 270 load ended up as 60gns AR2213 (over book max and reasonably hot in my rifle) behind 140gn Nosler AB. Gave just under 3000fps from a 24" barrel. If you are going to the 150gn SST I would stick with 2213 but in the 22" barrel 2209 would be fine too.
PS. ADI book max is generally rubbish. Very conservative.
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