MOD 1 – CROUCH AIM: WHILE AIMING DOWN SIGHTS, you will crouch. When you RELEASE AIM DOWN SIGHTS, you will stand.
MOD 2 – RAPID CROUCH AIM: WHILE AIMING DOWN SIGHTS, you will rapidly crouch, which makes you difficult to hit.
MOD 3 – PING ON ADS: UPON AIMING DOWN SIGHTS, you will ping your target, object or location.
MOD 4 – STRAFE ON ADS: WHILE AIMING DOWN SIGHTS, you will quickly strafe side to side.
MOD 5 – CIRCLE STRAFE ON ADS: WHILE AIMING DOWN SIGHTS, you will quickly strafe in a circular motion, which is helpful against snipers.
CLASS 3 – REFERENCE TABLE
Deactivate ALL MODS: WHILE HOLDING TOUCHPAD / VIEW, HOLD OR UNTIL YOU FEEL A RUMBLE. Switch back to the appropriate profile for your current weapon when you want to reactivate your MODS. See the WEAPON PROFILES section for more for information.
Weapon Profiles & ADS Anti-Recoil: See the WEAPON PROFILES section.
CLASS 3 MOD
INFORMATION
0: MOD Disabled
OFF.
1: Crouch Aim
WHILE AIMING DOWN SIGHTS, you will crouch. When you RELEASE AIM DOWN SIGHTS, you will stand.
2: Rapid Crouch Aim
WHILE AIMING DOWN SIGHTS, you will rapidly crouch, which makes you difficult to hit.
3: Ping on ADS
UPON AIMING DOWN SIGHTS, you will ping your target, object or location.
4: Strafe on ADS
WHILE AIMING DOWN SIGHTS, you will quickly strafe side to side.
5: Circle Strafe on ADS
WHILE AIMING DOWN SIGHTS, you will quickly strafe in a circular motion, which is helpful against snipers.
OR 
UNTIL YOU FEEL A RUMBLE. Switch back to the appropriate profile for your current weapon when you want to reactivate your MODS. See the WEAPON PROFILES