.357 Revolver HD Cylinder

 is a weapon mod for the .357 Magnum Revolver in Fallout: New Vegas.

Effects
Increases the maximum condition for the .357 Revolver by 50%.

Location
One can be bought from the Vendertron at the Gun Runners in New Vegas store. Buy from Alexander at 188 Trading Post

Bugs
Using this mod causes Weapon repair kits to cause the weapon's condition to decay, rather than improve.

Appearances
The appears in Fallout: New Vegas.