Bugger,
Have you looked at the Hawk Cartridges Manual for .375 Hawk (a .375 Whelen Imp variation) load data?
Ed
Is it on-line? I know people have had good luck with Hawk Bullets. Unfortunately, I’m not one of them. My understanding is they have an annealed copper jacket and that their load data may be light compared to gilding metal jacketed bullets.
I’ve only used 35 caliber Hawk bullets. I think the best group was about 4” at 100 meters.
