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 ...

Add Yahoo as a preferred source to see more of our stories on Google. These two magnum cartridges are closer than you might thing. The 7mm Rem Mag is pictured left, the 300 Win Mag is on the right.

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** The .300 Winchester Magnum was not ...

Before we dig deep into the differences between the 300 PRC vs 300 Winchester Magnum, let’s look at how they stack up against the 30-06 Springfield and other popular 0.30-caliber magnums, in terms of ...