See also Weapons of comparable role and configuration
Finnish Defence Forces Mod FDF Mod website Latest downloadable version: DOW. FFUR series are good too but they're not good for MP. Operation Flashpoint / Arma: Cold War Assault Modifications Click a mod's banner above directly or scroll down the page. WW4 is good, has lots of content and is the most popular mod for MP and modding, but it's more 'light realism' than the first two.