These loads are from The Mannlicher Collector No. 146, fall of 2021.
Use at your own discretion, I have not tried any of them.
Bullet. Powder. Charge. Velocity. Pressure. Energy
285. IMR3031. 42gr. 2040. Speer bullet. 2638
285. IMR4895. 43.5gr 2150. 2800
270. N201. 46gr. 2250. 42K psi. 3030
270. IMR3031. 45gr. 2250. 45K psi. 3030
270. IMR4895. 47.5gr. 2250. 45K psi. 3030
235. N201. 48gr. 2400. 3000
235. IMR3031. 43.5gr. 2200. 2525
235. IMR3031. 47.5gr. 2400. 3000
235. IMR4895. 49.5gr. 2400. 3000

The article is by L. L.
Stewart. He advises starting 6gr less as these LOADS ARE MAXIMUM.