The Chilean FAMAE SAF smg series : r/ForgottenWeapons
Famae SAF Silenciada image - TO: Crossfire mod for Unreal Tournament 2004 - Mod DB
Chile's SMG based on the Swiss SG 540 - the FAMAE SAF. Its design is simple blowback, closed-bolt, and includes a folding trigger guard for winter conditions. There were several variants, including