“Polymer ammo gives Marines the opportunity to carry ... The Marine Corps had previously announced plans to order nearly 2.4 million polymer-cased .50 cal rounds from MAC LLC over a three ...

June 11, 2021: For about a decade the U.S. Marine Corps and U.S. Army have been seeking caseless ammunition or polymer (instead of brass) cased ammunition that would work reliably in combat and be ...

We spoke to the people at General Dynamics to get some details on their bid to replace the Army's M4 carbine and M249 SAW with a 6.8mm rifle that fires polymer-cased ammo By Chris Capelluto ...