The NGSW family consists of Sig's M7 rifle, previously known as the XM5, as well as the company's belt-fed M250 light machine gun based on the same platform. Both come with matching suppressors.

both in its rifle and automatic rifle configuration. The XM5 and XM250, respectively, are replacing their counterparts, the M4 carbine and M249 Squad Automatic Weapon, among the close combat forces.