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.

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

Special Ops Ammo Spreads to Other Services

A .50 caliber machine gun points out of a CH-46 Sea Knight. Tote Bag for Sale by StocktrekImages

USMC May Buy Up To 2.4 Million Rounds of Polymer-Cased .50 Calibre Ammunition -The Firearm Blog

Breaking: USMC and SOCOM want General Dynamics Lightweight Medium Machine Gun -The Firearm Blog

MARSOC To Conduct Combat Evaluation of SIG Lightweight Machine Gun in 338 Norma Mag

Is it possible to carry an M2 Browning 50 BMG machine gun like a general purpose machine gun? - Quora

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

Firepower in the Pacific: The “Stinger” Machine Gun

Browning M2 Multi-role Heavy Machine Gun (HMG)