If you want a more realistic 4 Mav loadout in WOE, just save this as add_lau.ini, go in the weapons editor and import it into your weapondata.ini. save: done!

Similar solution existed in weaponspack, but seems AWOL.

[WeaponData001]
TypeName=LAU-88L
FullName=LAU-88A/A
ModelName=LAU-88A
Mass=210.919998
Diameter=0.370000
Length=1.540000
AttachmentType=NATO,USAF,USN
NationName=USAF
StartYear=0
EndYear=0
Availability=2
BaseQuantity=4
Exported=TRUE
ExportStartYear=0
ExportEndYear=0
ExportAvailability=2
WeaponDataType=6
WeaponsRackType=TLR
NumWeapons=2
LoadLimit=220.000000
LengthLimit=2.500000
MaxFuelAmount=0.000000
Attachment01Position=-0.282000,0.000000,0.078000
Attachment01Angle=0.000000,0.000000,5156.620156
Attachment02Position=0.000000,0.000000,-0.180000
Attachment02Angle=0.000000,0.000000,0.000000

[WeaponData002]
TypeName=LAU-88R
FullName=LAU-88A/A
ModelName=LAU-88A
Mass=210.919998
Diameter=0.370000
Length=1.540000
AttachmentType=NATO,USAF,USN
NationName=USAF
StartYear=0
EndYear=0
Availability=2
BaseQuantity=4
Exported=TRUE
ExportStartYear=0
ExportEndYear=0
ExportAvailability=2
WeaponDataType=6
WeaponsRackType=TLR
NumWeapons=2
LoadLimit=220.000000
LengthLimit=2.500000
MaxFuelAmount=0.000000
Attachment01Position=-0.282000,0.000000,0.078000
Attachment01Angle=0.000000,0.000000,5156.620156
Attachment02Position=0.000000,0.000000,-0.180000
Attachment02Angle=0.000000,0.000000,0.000000

Examples: