Ratslayer

Ratslayer is a weapon in Fallout: New Vegas. It is the unique variant of the varmint rifle.

Characteristics
Ratslayer has a black synthetic stock instead of the standard wood, parts that appear to be made from stainless steel, and has 69 tally marks on the stock next to a mole rat's skull mark.

Compared to the varmint rifle, the Ratslayer is lighter, boasts a higher damage-per-second, a much higher critical multiplier, and has all of the possible varmint rifle modifications: extended magazine, silencer, and night scope with superior magnification (3.5x compared to the 2.86x on a standard varmint rifle scope).

Durability
Ratslayer can fire a total of about 995 standard rounds, the equivalent of 125 reloads, from full condition before breaking.

Variants

 * Varmint rifle, a standard variant found throughout the Mojave Wasteland.

Location

 * Inside the Broc Flower Cave, below a desk in the makeshift laboratory on the upper level. It may be quite hard to find as there are lots of giant rats in this room. With the Wild Wasteland trait, the area containing the Ratslayer will have several unique giant rats called "rodents of unusual size".

Bugs

 * When looking through the scope, the screen might appear green and pink, making it impossible to use the scope. This may happen on any scoped weapon (including binoculars). To fix this, just save the game, shut down your PS3, then restart the game and the problem should be fixed.
 * It appears that the night vision scopes for varmint rifles work off of the in-game clock, activating at 6:00pm while the sun doesn't go down until around 7:00pm.
 * When using the "player sight" final/first kill cam, the scope will momentarily turn clear, no matter what time of day it is.
 * The onHit effect for this weapon is defined as "Dismember only" (the weapon will only calculate the chance to sever limbs), as opposed to the varmint rifle, which uses "No Dismember/Explode" onHit effect (all limbs hit by the weapon will remain intact). There is a bug associated with the "dismember only" effect, which will immediately alarm all enemies in the vicinity of the killed enemy. This is not triggered by the sound level of Ratslayer, which is the same as the standard varmint rifle's sound level, but by the onHit effect itself. Because of this bug, this weapon is mostly useless for sneak attacks, as only one sneak attack is possible before enemies become alarmed. (A mod that fixes this is available at http://newvegas.nexusmods.com/downloads/file.php?id=41827)
 * This a bug only happens while being in third-person, in motion, wearing the NCR Ranger patrol armor, and holstering Ratslayer: the weapon clips inside your body and only shows the barrel of the gun protruding through your left shoulder. This can be fixed by drawing the weapon, stopping motion, and holstering it again.

Gallery
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