The Sporting Arms and Ammunition Manufacturers’ Institute Inc.,® (SAAMI®), the organization at the forefront of promoting firearms safety by creating standards that ensure safety, reliability and interchangeability of firearms, ammunition and components, announced the acceptance of a new shotshell cartridge and a new centerfire rifle cartridge for SAAMI standardization.

Developed by Federal Ammunition, the 12-Gauge 1¾-inch shotshell was introduced with a maximum average pressure of 11,500 psi, with a 15/16-ounce #8 lead shot load traveling at a velocity of 1,145 feet per second (fps), a 15-pellet #4 lead buckshot load traveling at a velocity of 1,200 fps and a 1-ounce lead rifled slug traveling at a velocity of 1,200 fps.

Developed by Nosler, the 6.5-284 Norma rifle cartridge was introduced with a maximum average pressure of 58,000 psi, with a 130-grain bullet traveling at a velocity of 2,900 fps.

More information on both cartridges can be found here.