The .300 Winchester Short Magnum (WSM) was introduced in 2001 and has become an extremely popular magnum cartridge because big-game hunters and handloaders have discovered it works well with a variety ...

UR on Patreon: / ultimatereloader 300 Winchester Short Magnum is an interesting cartridge. If you're tuned into the channel, you've just seen my 300 WSM custom build on a Pristine Magnum Short Action, ...

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 ...

In 2004 I acquired one of the new Winchester Silent Shadow Model 70 rifles in the then new 270 WSM (Winchester Short Magnum). Based on a the 404 Jeffry case this short-action magnum was at the time ...