Ammo Review ... Dimensionally, the 7mm Backcountry is very similar to the 280 Remington and the 280 Ackley Improved. It’s noticeably smaller than other magnum 7mm cartridges—which allows ...
Things in the ammunition world are ... Higher pressure. The 7mm Backcountry uses a case manufactured by Peak Alloy, constructed from a proprietary steel alloy, allowing for chamber pressures as high ...