I'm using IMR7977 with the 160 NPt. Very good accuracy and hit max velocity before max listed powder charge--which always seems to be a good indicator of accuracy and long brass life. When I run out of IMR7977 I suppose I'll have to dive into my precious hoard of RL26.

Casey

Not being married to any particular political party sure makes it a lot easier to look at the world more objectively...
Having said that, MAGA.