Fallout: New Vegas Weapons

Pistols

 * 9mm Pistol
 * Virgin Mary Pistol
 * .357 Revolver
 * Weathered 10mm Pistol

Rifles

 * Assault Carbine
 * Semi-Automatic Rifle
 * Battle Rifle
 * Camouflaged Rifle
 * Varmint Rifle
 * Hunting Rifle
 * Trail Carbine
 * Cowboy Repeater

Sniper Rifles

 * Anti-Materiel Rifle
 * Sniper Rifle
 * All-American

SMGs

 * Cyberpunk Cowboy SMG
 * 10mm SMG

Shotguns

 * Shotgun
 * Lever-Action Shotgun
 * Riot Shotgun
 * Caravan Gun
 * Sturdy caravan shotgun

Heavy Weapons

 * Light Machine Gun
 * Minigun

Pistols

 * Plasma Pistol
 * Plasma Defender

Rifles

 * Laser Rifle
 * Multiplas Rifle

Heavy Weapons

 * Portable Laser Beacon
 * Gatling Laser
 * Plasma Caster

Projectile

 * Grenade Machine Gun
 * Missile Launcher
 * Fatman
 * Grenade Launcher
 * Mercenary's Grenade Rifle

Thrown

 * Dynamite
 * Frag Grenade
 * Incendiary Grenade

Placed

 * C-4 Plastic Explosive
 * Detonator

Melee

 * Sledgehammer
 * Super Sledge
 * 9-Iron
 * Nail Board
 * Concrete Club
 * Machete
 * Broad Machete
 * Razor
 * Throwing Spear
 * Scrap sword
 * Fire Axe

Unarmed

 * Bladed Gauntlet
 * Boxing Gloves
 * Brass Knuckles
 * Power Fist