Perforator

The  is a silenced, scoped, shortened and stockless R91 assault rifle that appears in The Pitt add-on for Fallout 3.

Characteristics
The Perforator is a unique version of the Infiltrator. The Perforator does more damage per shot, has a higher DPS, critical chance, critical damage, but a higher AP cost and significantly less durability. The biggest difference is the reduced rate of fire; the Perforator fires 2 shots for every 3 shots that the Infiltrator can fire.

A fully repaired Perforator can fire 997 shots, about 42 magazines, before breaking.

Location
Everett will give you the Perforator when you hand in 90 steel ingots.

Appearances
The appears in the Fallout 3 add-on The Pitt.

A Perforator/Infiltrator is visible in the secret weapons section of Mick & Ralph's shop in Fallout: New Vegas, but it is impossible to obtain in the game.