Yeah, just have to use 270/280/ai brass to get proper length.
175 HH 64.5gr Varget, Peterson 280AI case, CCI 200 =- 3207 FPS
213 HH 66.5gr 6.5 Stabal, Peterson 280AI case, CCI 250 = 2843 FPS
57.5gr Varget CCI 200 = 2763 FPS
All with a slight crimp from a Lee crimp die.
I have...