For over a half century, the M16 assault rifle—and later the more compact M4 carbine—have served as the primary service rifles for both the U.S. Army and Marine Corps. The “plastic toy rifles” have ...

The Marine Corps hasn't yet finished fielding M27 infantry automatic rifles to all its grunt units as their new standard service weapon, but it's already eying the Army's Next Generation Squad weapon ...

Preliminary results of an Army test to see how the service's M855A1 5.56mm round performs in Marine Corps weapons show that the enhanced performance round causes reliability and durability problems in ...

The Marines want to give infantry riflemen the deadliest automatic rifle available, but Congress is holding up the plans, concerned that the Corps and the Army may end up fielding the weapons in ...