Few cartridges have withstood the test of time with such respect as the venerable .300 Winchester Magnum. Since its inception in 1963, the Win. Mag. has built a reputation as the “do-all” cartridge, ...
In 2001, Winchester and Browning collaborated to introduce Rick Jamison’s .30 caliber wildcat magnum, which was branded the .300 Winchester Short Magnum or WSM (sometimes pronounced “wizzum”). By ...