Your next belt of .50-caliber ammunition could weigh 10 to 20 pounds less than it does now.
Handloading - Wikipedia
This move could shave 20 pounds off a belt of .50-cal ammo
Barnes Tipped Triple-Shock X (TTSX) Bullets 284 Cal, 7mm (284
These Marines will test a lighter, polymer-cased .50 caliber round
6.5-300 Weatherby Magnum - Weatherby, Inc.
Hulara Duel Leather Western Gun Belt Holster .38/.357 Cal Double Draw (Barrel)
MTM 50 Caliber Ammo Storage Can (Zombie) : Sports & Outdoors
Knob Creek '13- Hello, M134 Mini-gun -The Firearm Blog
This 50-round drum magazine for 7.62mm could lighten the load for machine gunners
Rubber-Cal Heavy-Duty Conveyor Belt 0.30 in. Thick x 6 in. Width x 168 in. Length Black Cloth Inserted Rubber Sheet 20-137-0375-168 - The Home Depot
This move could shave 20 pounds off a belt of .50-cal ammo
Ammo for the Marine Corps .50 caliber is getting a whole lot lighter
PowerLine 3/8-inch Steel Slingshot Ammo