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FN P90 EFFEN 90 5.7x28 upper receiver (EFFEN 90)

EFFEN 90 is a low-profile upper receiver for the P90 submachine gun, manufactured by Fabrique Nationale Herstal.

Ergonomics -1
Raid Moddable Yes
Velocity 0
Durability Burn 0.00 %
Heat -4.00 %
Cooling +4.80 %
Grid Height +1