...I've gotten a 225-grain Sierra Game King just under 2,700 fps...
Okie John
...and I missed your load data that says .358 225gr at 2700 @ .384 G1 should get me out beyond 575.
And you're getting 1.5 moa with a 1:16?
Yes, I am. 61.4 grains of TAC. Per the Federal Ballistics calculator, it should be going just over 1,800 fps at 400, with 1650 fpe.
I’ve found that with a 1:16 barrel, the faster you push the bullet, the better it shoots. My Ruger M-77 would put three 250-grain Hornadys in 1 MOA but not until you got them up to 2,500 fps. That was considered the top end 25 years ago when I still owned that rifle.
Nowadays, a 1:16 35 Whelen is kinda like a 1:12 30-06.
Okie John
