This is because Fallout New Vegas is an extremely fragile.

A compact, gameplay friendly mod list with a solid core and engine fixes is a perfect way for you to start modding this game You may notice that this mod list is smaller than usual. With it, you can apply up to three mods to any weapon (including unique ones), craft more creative melee weapons, and buy mods off merchants in the game. ESO and Ultimate Immersion presenting the new Fallout New Vegas mod list. Not to be outdone, antistar made Weapon Mods Expanded, which built on the feature even further and went on to win the slightly obscure Guinness World Record for 'Most downloaded Fallout: New Vegas mod'. Obsidian's improved weapon customisation features in New Vegas were apparently inspired by the features this introduced. Uploaded on 16 January 2011, the mod was coded by Joseph Antistar Lollback and brings further enhancements to Fallout: New Vegass weapons-modding system. This process was arguably started by the modder antistar, who created the Weapon Mod Kits mod for Fallout 3. There was a very rudimentary system in Fallout 3, New Vegas built on it by letting you mix and match your weapons mods more, while Fallout 4 will have a full-on weapons workbench feature which pretty much lets you create exactly the kind of arsenal you want.

Customise Your Weapons At Workbenches Download Weapon Mods Expanded - WMX Download Weapon Retexture Project - WRP Weapon customisation has slowly been implemented into the Fallout series.

How to mod weapons in fallout new vegas