Fallout: New Vegas Weapons

The following is a full weapon Base ID list, including Fallout 3 remnant weapons (not available in-game) of Fallout: New Vegas:

Pistols

 * .357 magnum revolver
 * Lucky
 * .44 magnum revolver
 * Mysterious magnum
 * 10mm pistol
 * Weathered 10mm pistol
 * 12.7mm pistol
 * 9mm pistol
 * Maria
 * Debug megapistol
 * Hunting revolver
 * Ranger Sequoia
 * Silenced .22 Pistol
 * That Gun
 * Cc Revolver

Rifles

 * Assault carbine
 * BB gun
 * Abilene Kid LE BB gun
 * Brush gun
 * Cowboy repeater
 * La Longue Carabine
 * Hunting rifle
 * Marksman carbine
 * All-American
 * Semi-automatic rifle
 * This machine
 * Service rifle
 * Trail carbine
 * Varmint rifle
 * Ratslayer

Sniper rifles

 * Anti-materiel rifle
 * Sniper rifle
 * Gobi Campaign scout rifle

SMGs

 * 9mm SMG
 * Vance's 9mm Submachine Gun
 * 10mm SMG
 * 12.7mm SMG
 * Silenced .22 SMG

Shotguns

 * Caravan shotgun
 * Sturdy caravan shotgun
 * Hunting shotgun
 * Dinner bell
 * Lever-action shotgun
 * Riot shotgun
 * Sawed-off shotgun
 * Big Boomer
 * Single shotgun

Heavy weapons

 * Light machine gun
 * Minigun
 * CZ57 Avenger

Pistols

 * Alien blaster
 * Plasma defender
 * Plasma pistol
 * Laser pistol
 * Pulse gun
 * Recharger pistol

Rifles

 * Gauss rifle
 * YCS/186 Gauss rifle
 * Laser RCW
 * Laser rifle
 * AER14 prototype
 * Plasma rifle
 * Q-35 matter modulator
 * Recharger rifle
 * Multiplas rifle
 * Tri-beam laser rifle

Heavy weapons

 * Euclid's C-Finder
 * Flamer
 * Gatling laser
 * Incinerator
 * Plasma caster
 * Tesla cannon
 * Tesla-Beaton prototype

Projectile

 * Fat Man
 * Grenade launcher
 * Grenade rifle
 * Mercenary's grenade rifle
 * Thump-Thump
 * Grenade machine gun
 * Mercy
 * Missile launcher
 * Annabelle

Thrown

 * Dynamite
 * Frag grenade
 * Holy Frag Grenade
 * Incendiary grenade

Placed

 * C-4 plastic explosive
 * Detonator

Bladed

 * Bumper sword
 * Blade of the East
 * Chainsaw
 * Combat knife
 * Chance's knife
 * Cleaver
 * Chopper
 * Fire axe
 * Knock-Knock
 * Hatchet
 * Knife
 * Legion sword
 * Machete
 * Broad machete
 * Liberator
 * Ripper
 * Straight razor
 * Figaro
 * Shishkebab
 * Switchblade
 * Thermic lance
 * Throwing spear

Blunt

 * 9-Iron
 * Nephi's Golf Driver
 * Baseball bat
 * Cattle prod
 * Dress cane
 * Lead pipe
 * The Humble Cudgel
 * Nail board
 * Rebar club
 * Shovel
 * Sledgehammer
 * Super sledge
 * Oh Baby!
 * Tire iron

Unarmed

 * Ballistic fist
 * Bladed gauntlet
 * Cram opener
 * Boxing gloves
 * Golden gloves
 * Boxing tape
 * Brass knuckles
 * Deathclaw gauntlet
 * Displacer glove
 * Pushy
 * Dog tag fist
 * Recompense of the Fallen
 * Power fist
 * Spiked knuckles
 * Love and Hate
 * Zap glove
 * Paladin toaster