Transitioning from "iron sights" to LPVOs (Low Power Variable Optics).
Man-portable, usually belt-fed, operated by one soldier (e.g., M249 SAW). Small Arms & Machine Guns
Analyze the for specific militaries?
Select-fire weapons using intermediate cartridges (e.g., M4 Carbine, AK-74). Transitioning from "iron sights" to LPVOs (Low Power