Derivatives
Army chooses Sig Sauer to build its Next Generation Squad Weapon
https://www.armytimes.com/news/your-army/2022/04/19/army-chooses-sig-sauer-to-build-its-next-generation-squad-weapon/?utm_source=twitter&utm_medium=social&utm_campaign=tw_armytimes
Variants
Attention Required! | Cloudflare
https://www.thefirearmblog.com/blog/2022/01/13/sig-sauer-ngsw-mcx-spear/NEW Sig MCX Raptor: A Mini-Spear or a Mega-Rattler?
https://www.youtube.com/watch?v=p6iy1TSolGQ