Ruger Model 77R Tops Marlin, Remington In .280 Rem.
The Ruger was more accurate and less expensive than the Remington Model 700 BDL DM and the Marlin MR-7 in .280 Rem.
Neck a .30-06 case down to 7mm and you have the .280 Remington, which is probably a more useful cartridge today than the .270 Winchester. Bullet diameter of the .280 is 0.284 inch, same as the 7x57 and 7mm Magnum. This cartridge concept actually goes back a long time. The .280 Ross, introduced in 1906, had essentially identical performance, though its case was a bit bigger. Cartridges Of The World gives the .280 Remington an introduction date of 1957 (chambered in, of all things, the Remington Model 740 autoloader), but many a handloader had experimented with the 7mm-06 long before that.
Right after World War II, Elmer Keith and his friends Charlie O’Neil and Don Hopkins did some histori...