7.62x51mm SDC

The is a standard, medium-sized rifle cartridge developed by Rosearms Inc., the standardized round for most battle rifles in accordance to the SDC.
== Characteristics ==
First developed in the 1950s, the cartridge had first been introduced in Panamoan service for the MN14 rifle and MK600 machine gun. Many other firearms that use the 7.62×51mm SDC remain in service today, especially various designated marksman rifles/sniper rifles and medium machine guns/general-purpose machine guns (i.e. MK40A3 Sniper rifle and MK240 Medium machine gun). The cartridge is used by military personnel, on mounted and crew-served weapons that are mounted to vehicles, aircraft, and ships.
Category:Ammunition