Requirement #2: Adjustable Scope View.Requirement #1: Mod Configuration Menu.
(If you're playing EFP 2.5/EFP 3.0 you don't need the two required mods!) A mod for Stalker Anomaly that allows you to zoom when holstered and gives you an extra bit of oomph when aiming, sort of but not exactly like the feature in Arma 3 and DayZ.
