This mod adds new attachments for AUG to resemble classic A1 variant with unique scope and 2 extra attachments:
BeardLib is required.
UAR Rifle New Reload Animations is recommended (Improves recoil animations that makes A1 Scope is more usable).
Extract archive content to "mod_overrides".
How to Install Super BLT and mod_overrides mods tutorial by Master Indigo