ONE DOUBLE-OUGHT SIX

It’s said that necessity is the mother of invention. Many useful products have resulted from the eff orts of someone to improve something that didn’t work well.

For example, a highly publicized shootout in 1986, in which two FBI agents were killed, had some people convinced the 9mm Luger pistols used by agents weren’t able to keep two suspects from fighting on for far too long.

Whatever the case may be, it was determined that handguns chambered for a more potent cartridge were in order. Attention was turned to the 10mm Auto, a .40-caliber cartridge made in 1983 by adapting a shortened .30 Remington case. The shortened case was used with bullets designed for the .38-40 Winchester. Instrumental in the development of the cartridge was Jeff Cooper, who was always a proponent of large-caliber pistols such