Although already available to the public by a number of major manufacturers, it’s exciting to see the 338 ARC, 25 Creedmoor, and 7mm Backcountry have been accepted by the Sporting Arms & Ammunition Manufacturers’ Institute (SAAMI) and given official specs.  If you’re unfamiliar, the SAAMI is a non-government governing body that provides standardization for cartridges in the United States. This… more