ABI-ATT-0900
Receiversreceiver slot
M4 Special Upper Receiver
A dedicated M4 special upper receiver designed and produced by International Firearms.
Fits 0 platforms
Procurement
Market
PriceUnverifiedMass Unverified
Applied to the host weapon
Stat modifiers
ErgonomicsUnverifiedFlat points
Vertical recoilUnverifiedCompounds with other parts
Horizontal recoilUnverified
AccuracyUnverified
Muzzle velocityUnverified
NoiseUnverifiedNegative is quieter
MassUnverified
PriceUnverifiedKoen
Recoil modifiers are percentages and compound multiplicatively — two −10% parts give −19%, not −20%. Ergonomics modifiers are flat points and sum.
From the compatibility table
0 weaponsCompatible platforms
Change log
Patch history
No recorded changes across the patches in the database.
Derived from database relationships