Thump-Thump

The  is a weapon in Fallout: New Vegas.

It appears to have longer range than the regular Grenade rifle or the Mercenary's grenade rifle.

Characteristics
Thump-Thump's range is longer than average. This may have something to do with the fact that the Grenade Rifle Barrel Extension mod cannot be applied to it, but it is unclear as of now. It also has a unique skin, the coloring is lighter overall and from the right angle you can see that someone scrawled its name on the barrel at some point.

Locations
"Thump-thump" is found in the Nellis Array Generators just south of the two array generator switches during the quest Ant Misbehavin'.

Appearances
The appears in Fallout: New Vegas.

Video
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