Of the hundreds of commercial metallic cartridges introduced, the .270 Winchester is one of few that have maintained a century-long tenure of popularity. As a youngster, I remember hearing my first ...

Jack O’Connor didn’t invent the .270 Winchester, but he might as well have done so, because for more than 30 years he carried on a one-man cam­paign that transformed the .270 into one of the most ...

** 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 27 Nosler, introduced in 2020, ...

This story was originally published in the April 1989 issue of Outdoor Life. Jack O’Connor didn’t invent the .270 Winchester, but he might as well have done so, because for more than 30 years he ...