The Marine Corps rejected adopting the M7 rifle, citing concerns about size, weight, and its unique mission requirements.

The M7 was never meant to be just a new rifle. It was designed as a tightly linked system in which the weapon, cartridge, suppressor, and optic all solve parts of the same problem. The Army’s Next ...

The Marine Corps will keep the M27 automatic rifle as its standard service weapon rather than adopt the higher-caliber firearm being fielded by the Army, according to the amphibious force. “The Marine ...