I will be purchasing a Weatherby Backcountry in 280 Ackley Improved. I am then going to have it reamed to 7mm x 6.5 RPM. I plan on shooting a 162 grain Hornady ELD-X. Does any one have reloading data to share? The case of the 7mm x 6.5 RPM will hold about 81 grains of water. A 7mm Remington Mag...
Have you followed through with your plan? I would love to know how the 7mm x 6.5 RPM turned out.
I am thinking about buying the Backcountry Rifle in 280 AI and having it reamed with the 7mm x 6.5 WBY RPM reamer from 4D Reamer Rentals. Then having Whidden make the sizing and seating dies.