I have a tikka 6.5prc 18"barrel.
Before I could get any slower burning powder for 140gr pills,
I was loading 123gr sst, win760 54.5gr (maximum before pressure signs) and fed215 (magnum) primers only pushing 2900fps as too fast a burn rate for cartridge. I had it shooting real tight groups. 52.5gr win760 was 2700fps.
Win760 is similar burn rate to 2209, so this info should help. I was taking info for the 6.5 REM Mag as a guide for me to find where to start - https://load-data.nosler.com/load-da...ington-magnum/
You can find the forum post I did for it through my profile posts I think.
I will be going back to this load again as I can't get anymore rl26 powder or 143gr eldx pills.
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