HandgunMP mod adds the ability to have 3D ironsights for handguns by using the 3D model of a handgun itself for aiming and custom animations. HandgunMP mod is designed to be Multiplayer compatible with unmoded Arma:Cold War Assault game, so you can play at servers that use no mods. This mod uses no scripts, only custom animations and models. As an added bonus HandgunMP mod uses improved player and weapon models.
HandgunMPx mod (see downloads)
MP5 SD with aimpoint sights being used in the Singleplayer mission: "Clean Sweep"