BF4 Battlefield 4 Barrett M82A3 [Animated] Ver1.5 
(for make sure this note is for the mod you are trying to install now)

import to GTA V: March Rain / (̳)

1) Use your OpenIV to open / OpenIVĿ¼
   "Grand Theft Auto V\Mods\update\x64\dlcpacks\patchday8ng\dlc.rpf\x64\models\cdimages\weapons.rpf"

2) Click Edit mode / ༭ģʽ(Edit mode)

3) Drag in all things ends up with ytd and ydr / к׺ΪytdydrļϽweapons.rpfĿ¼

4) All done / 

IN VERSION 1.5, SCOPE PACK IS SAME AS THE ON HAD IN BF4 Weapon Pack (FY-JS, JS2 and QSZ-92) 
SO IF YOU ALREADY USED THAT SCOPE MOD FOR FY-JS, YOU DON'T HAVE TO PUT THIS SCOPE MOD AGAIN

If still doesn't understand......video is here
https://www.youtube.com/watch?v=pi__wsJ0P3k
(video made by swix, wiches... I don't know......)

ǲΰװmod
㷡MODá-GTA5 MODİװʹý̳̻ :Yoha/㷡
http://game.ali213.net/thread-5986249-1-1.html