39 gr. Sierra Blitz King. 26.5 gr. of Reloader 10X, 9 1/2 Remington bench rest primers. Deadly on groundhogs.
You probably mean 7 1/2 primers, 9 1/2's would be a really tight squeeze
I prefer 32gr BT's with CFE223 and 7 1/2's
If I wanted to shoot 40's I would most likely use a 222 or 223
