That design is more than 100 years old. This Browning BAR is still being made and doesn’t require a tax stamp to assume ownership. Browning has eight models of the semi-auto currently in production.

Introduced in 1967, the gas-operated Browning BAR has proven to be a reliable and very successful semi-automatic sporting rifle. But, with development of the Winchester Short Magnum family of ...

Although Browning didn’t invent the machine gun, he and his brother Matthew developed the first gas-operating system – whereby forward gas pressure from a fired round pushes the bolt back.