Acog Scope – Increses Zoom and Adds 1 bar to accuracy
Thermal Scope – Highlights all human targets but, Adds 1 bar to accuracy but reducs the scope size.
Red Dot Sight – Precision aiming For longer range shooting less effective at close range.
Holo. Scope – Precision aiming
FMJ Bullets – Increases Damage by 1 bar
Suppressor – makes you invisible to enemy radars, but decreases damage by 2 bars
Extended Mag – Adds extra ammo to your clip
Grip – Reduces recoil and adds 1 bar to accuracy
Flash Hider – Hides Muzzle Flash (hides the flash that the gun makes when you shoot, increases accuracy by 1 bar
Stock – Reduces Recoil, adds 1 bar to accuracy in some guns and mobility in others.