Check this mod out its great..nVamp-New Vegas Advanced Mod Project.
Features....
Weapons
Adds all the weapons from FOOK and Classic Fallout Weapons into one neat package.
Adds custom weapons from AWOP, Professional 22, and many other mods to the world.
Weapons have been tweaked to react more realistically and do better damage.
Weapons have also been named properly based on Fallout lore.
Adds new muzzle flashes and smoke to all weapons.
Adds new selective fire modes (not fully implemented yet) to all weapons.
Weapons can be modded with either WME or WMX.
Armor
Adds all the armors from FOOK.
Adds the Armored Duster to the world.
Adds the Black Leather Armored Duster to the world.
Adds the T-57c Air Force Power Armor to the Boomers.
Adds the Brotherhood combat armor to the Brotherhood of Steel.
Adds enhanced vision modes to all compatible helmets.
Adds the Fiendish Power Armors to the Fiends.
Armor has been tweaked to react more realistically.
Power Armor has been heavily tweaked to be the walking tanks they really are.
Power Armor can be modded to add different functionality.
Armor can be reinforced through recipes.
Adds the Tactics Power Armor to the Brotherhood of Steel.
Explosives
Explosives system completely revamped.
Explosives do more damage and have a larger radius. Much more deadly now.
Explosives can be shot while in the air to explode, whether in VATS or not.
Adds stun and tear grenades to the world.
Explosives will knockdown anyone, including the player, in the area as they should.
Fat Man got it’s teeth back.
Ammo
Ammo system completely revamped through CaliberX.
Many new ammo types added.
Ammo recipes tweaked with BAN – Reloaded.
Creatures/NPCs
Creatures heavily tweaked by Hardened.
Legendary creatures heavily tweaked to be true boss battles.
Many new creature variations await the player in the world.
New bosses added to the world.
Heavily increased spawn system added by IWS.
Creature textures tweaked.
New items added to creatures and NPCs.
World repopulated as it should be 200 years after the nuclear war.
Caesar’s Legion greatly overhauled with CLO.
Robots will explode when killed. Watch out when near them.
Ghouls are much much more plentiful in the world. They will only die from losing their head or legs.
Combat
Combat AI heavily tweaked.
NPCs react to player having a gun to their face.
NPCs can now react to the player whistling by trying to find the player. Good for diversions.
Adds new drug system to the game. All NPCs potentially use a series of different chems before and during combat. They will pop them as much as they can to fully augment their style of combat.
Fiends have become brutal. Not only are the chem addicts that they should be, but they really crazy ones will kamikaze towards the player with an explosive lit. With the changes to the explosive systems above, this may result in the death of the player and the surrounding enemies. Watch out for the crazies who will make their presence known.
Effects
Complete revamp of the Graphics system.
All the texture upgrades from FOOK are available.
Bundled version of FNV Enhanced Shaders utilizing the best presets for nVamp and the graphical mods.
CinemaTech added to provide a new experience with the graphics.
Dynamic depth of field added with DynaVision 2.
Electro-City added to provide tweaked lighting systems and a new faction focusing on relighting the wasteland.
Imaginator added to allow users to tweak the graphics of the game on the fly.
Nevada Skies URWLified added to provide a comprehensive weather system and greatly upgraded lighting.
Lumenarium added to provide a reason to wear sunglasses and added bonuses for using them.
Weapon reload sounds have been tweaked.
HUD has been updated and revamped with iHUD and Unified HUD Project along with all supported HUD changes.
New ambient sounds to be heard within the world.
Boone’s Spotter Perk has been revamped.
Detailed Normals built in to provide much better quality normal maps in the world.
NV Terrain Recreation Project added on top of Detailed Normals with greatly enhanced terrain textures.
Blood textures enhanced.
Physic system enhanced to provide proper response to being hit with weapons, ragdoll physics, blood on screen, wounds, and more.
Many high quality textures have been added from Hectrol and Tagaziel.
Sound effects have been improved.
Ranger eyes glow like in initial movie.
New Gadgets
Adds a working flashlight to the world. Both handheld and head mounted.
Adds Leather Backpacks to the world.
Adds working flares to the world.
Adds working turrets to the world. Turrets can be purchased, built, and dropped to be used as defensive positions in the wasteland. Good way to build an ambush in tight situations….or cause one helluva mess inside New Vegas.
Hardcore
Comes in two flavors: Hardcore and Really Hardcore
Basic Hardcore expands the system with Imp’s Timescale Adjuster, and changes from XFO and PMT.
Expanded Hardcore includes the above, as well as Imp’s More Complex Needs, if you want an extreme challenge.
All hardcore objects utilize the name changes from FOOK, as well as the latest models/textures.
Features
Many objects in the wasteland can now be interacted with. This includes coffee pots, ovens, and more.
Water bottles can be reused over time. When drunk, the bottle becomes empty. Can be refilled in water sources.
Guard added to the Silver Rush entrance after you complete the mission.
Gun follows the crosshair.
Gun Runners heavily expanded. Lore friendly to only have locations that make sense. All new weapons and mods can be available to the Gun Runners.
Four Eyes actually affects the game now. Requires wearing glasses or helmets to remove the effect.
NCR has been rearmed with new weaponry. Have a few varieties of the Service Rifle now to counter the more deadly wasteland.
No more dialogue hints. Skill checks are just that, checks now. You may fail them rather than just seeing a number and popping a few magazines.
Repair system heavily revamped to include random junk found in the wasteland. While not heavily fixing a weapon/armor, it can get you by when you’re short on caps.
All objects have had their weights adjusted realistically between FOOK and Realistic Weight Overhaul.
Cass can now be saved during the Van Graff missions rather than forcing yourself to lose a companion.
Gravity will kill you if you jump too far.
Doc Mitchell’s house has much less free loot to begin with.
Economy much tougher in the world. Don’t expect to have a million bottlecaps anytime soon unless you earn them from the dangerous locations added.
Many fantastic features added by Project Nevada.
Progression
Tag skills provide a bigger boost, and rise by 2 for each point placed in them.
All skills go above 100 with XFO. New benefits after getting them high enough.
Certain skills will provide perks you reach certain amounts.
Perk trees are available based on SPECIAL stats with XFO. Provide unique perks as you progress.
Will receive a perk every level.
New perks, traits, perks for companions, and challenges available from More Perks.
New implant system with Project Nevada to expand your character further.
No level cap.
Locations
Many new locations added by AWOP.
Many new locations added by New Vegas Interiors.
Many new locations added by Open World and Open World Red Canyon Overhaul.
Missions
Core missions added by New Vegas Bounties.
Missions added by Bobblehunt, Goodsprings Filler, and The Collector.
Features | nVamp