ARs: 0.3

SMGs: 0.2
Vepr (Iron Sights): 0.25

LMGs: 0.38
LMGs (Iron Sights): 0.35

Marksman Rifles: 0.3
Marksman Rifles (Scope): 0.38

Sniper Rifles: 0.48
GM6 Lynx and Maverick A2: 0.5

Shotguns: 0.2

Handguns: 0.2
.44 Magnum: 0.3

RGM Kastet: 0.4
Panzerfaust 3: 0.5
M32 MGL: 0.3

ACOG: 0.38
SMGs and Handguns with ACOG: 0.25
Sniper Rifles with ACOG: 0.48

VMR Sight (Low): 0.35
VMR Sight (High): 0.38
SMGs with VMR Sight: 0.25

Thermal Hybrid: 0.38
SMGs with Thermal Hybrid: 0.25

Tracker Sight (Low): 0.32
Tracker Sight (High): 0.3
SMGs with Tracker Sight: 0.25

Thermal Scope: 0.48

Quickdraw: Decreases ADS time by 1/3 (1/5 for Marksman Rifles and Sniper Rifles)

Updated.