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.

Firepower in the Pacific: The “Stinger” Machine Gun

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

McMillan/TrackingPoint .50 BMG Precision Guided Rifle (PGR): Meet the Future 3,100-Yard “Super Gun” Sniper Rifle with XactSystem Smart Rifle Scope Technology – (DR): An online tactical technology and military defense technology

Machine Guns

SOF shooters are about to get serious upgrades for small arms, ammo

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

M2 Browning, Vietnam War

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

USMC Selects Polymer Cased .50 Cal AmmoThe Firearm Blog

M2 Browning - Wikipedia

Noreen ULR 50 BMG Single Shot Ultra Long Range Rifle

50 Cal, The Last Stand Wiki

Leader 50 BMG Revolutionary Ultra-Compact and Lightweight Semi-Auto Bullpup .50 BMG (12.7x99mm NATO) Anti-Materiel/Sniper Rifle for Military Special Operations Forces (SOF) and Civilian Tactical Shooters: Coming Soon to a Theater of Operations

50 cal Dummy Ammunition For Display, 1 round - SARCO, Inc

In Defense of the .50 Caliber Round - The Awl