Marines Want Lightweight .50 Caliber Machine Gun Ammo

The Marine Corps wants a 30 percent weight savings over existing linked belts of .50 caliber ammo.

Marines Seek to Order 2.4 Million Polymer-Cased .50 Cal Rounds (VIDEO)

M2 Browning, Vietnam War

Unsung: The AN/M2 .50-cal. Machine Gun in World War II

The U.S. Army's Quest For a Lethal New .50 Machine Gun

Machine Guns

The United States Army, Fort Moore, Photo Essay

Military Gun Mounts & Machine Gun Tripod Mounts

Ammunition

DVIDS - News - Polymer ammo: A lightweight approach to support the warfighter

Army, Marines Want New Machine Guns to Replace the M240 and 'Ma Deuce

MARSOC to evaluate machine gun that could replace both the M240 and .50 caliber 'Ma Deuce

This move could shave 20 pounds off a belt of .50-cal ammo

New Weapon on the Battlefield: .338 Machine Gun – Small Arms Defense Journal

The Military Small Arms & Other Weapons discussion thread, Page 6

M2 50 caliber heavy machine gun hi-res stock photography and images - Page 3 - Alamy