Warhistory... — 6.8 / 10

: Developed in the early 2000s, the cartridge was based on the .30 Remington case, necked down to accept a .277-inch bullet.

The 6.8mm SPC was born from a need identified by the during the early Global War on Terrorism. 6.8 / 10 WarHistory...

Below is a guide to the development and history of the 6.8mm SPC, often rated for its effectiveness in mid-range combat scenarios. : Developed in the early 2000s, the cartridge

: Soldiers felt the standard 5.56 NATO round lacked "stopping power" and range, especially when fired from short-barreled carbines like the M4. : Developed in the early 2000s