Have had many many fine 270’s.
With 130’s I prefer IMR4831 and R17. Load to 3075-3100 and stop.
With 150’s I got best velocities with R26. Some charges I see published are too much. In a 22” barrel I stop when I get to 2950.
With the 160 Ptn & R26 I load to 2850 and stop. If you need more power get a 9.3-62 or 375.
There may be powders with better temperature stability but I don’t hunt in weather that cold.
Most used bullets…130 TTSX & 160 NPtn & 130 Swift AF. Going to try some 130 CX.
Last edited by RinB; 02/08/23.
