From WoWWiki

Stone Guard Zarg <Weapons Quartermaster> is a level 55 PvP weapons vendor located in the Hall of Legends in the orcish city of Orgrimmar.

Item	Level	Type	Cost
[High Warlord's Battle Axe]	60	Two-Handed Axe	24,480 40
[High Warlord's Battle Mace]	60	One-Handed Mace	12,240 20
[High Warlord's Blade]	60	One-Handed Sword	12,240 20
[High Warlord's Bludgeon]	60	One-Handed Mace	12,240 20
[High Warlord's Cleaver]	60	One-Handed Axe	12,240 20
[High Warlord's Crossbow]	60	Crossbow	12,240 20
[High Warlord's Destroyer]	60	Two-Handed Mace	24,480 40
[High Warlord's Greatsword]	60	Two-Handed Sword	24,480 40
[High Warlord's Left Claw]	60	Fist Weapon	12,240 20
[High Warlord's Pig Sticker]	60	Polearm	24,480 40
[High Warlord's Pulverizer]	60	Two-Handed Mace	24,480 40
[High Warlord's Quickblade]	60	One-Handed Sword	12,240 20
[High Warlord's Razor]	60	Dagger	12,240 20
[High Warlord's Recurve]	60	Bow	12,240 20
[High Warlord's Right Claw]	60	Fist Weapon	12,240 20
[High Warlord's Shield Wall]	60	Shield	12,240 20
[High Warlord's Spellblade]	60	Dagger	12,240 20
[High Warlord's Street Sweeper]	60	Gun	12,240 20
[High Warlord's Tome of Destruction]	60	Off-Hand	12,240 20
[High Warlord's Tome of Mending]	60	Off-Hand	12,240 20
[High Warlord's War Staff]	60	Staff	24,480 40

See List of Orgrimmar NPCs.