Si legaturile lui Tzupy pe subiect:
Sig Sauer ramane in competitia NGSW, cu un cartus hibrid (metal-polimer):
https://www.sigsauer.com/press-releases/sig-sauer-selected-by-u-s-army-for-next-generation-weapons-with-new-ammunition-technology-lightweight-machine-gun-rifle-and-suppressors/
Textron ramane in competitia pentru NGSW (6.8 mm):
https://www.textronsystems.com/newsroom/press-release?ReleaseID=0428fdc4-b376-4b9e-bb04-c3373be82d75
Un alt competitor, Cobalt Kinetics, foloseste un cartus mai conventional, 6.8 Short Magnum:
https://www.recoilweb.com/see-the-rifles-mars-inc-and-cobalt-kinetics-submitted-for-the-next-generation-squad-weapons-program-152546.html