Beast Mastery Hunter relies on the pet to do most of its damage, works quite well for leveling and mid game, however it falls off at end game and becomes a low tier DPS.

Gems and Enchants for Beast Master Hunter Wotlk

Beast Master Hunter Enchants

Head

[Arcanum of Torment] – Knights of the Ebon Blade

Shoulders

[Greater Inscription of the Axe] – The Sons of Hodir

Cloak

[Enchant Cloak – Major Agility] – Enchanting

Chest

[Enchant Chest – Powerful Stats] – Enchanting

Wrists

[Enchant Bracers – Greater Assault] – Enchanting

One-Handed Weapons

[Enchant Weapon – Superior Potency] – Enchanting

Two-Handed Weapon

[Enchant Weapon – Massacre] – Enchanting

Ranged

[Heartseeker Scope] – Engineering

Hands

[Enchant Gloves – Crusher] – Enchanting

Waist

[Eternal Belt Buckle] – Blacksmithing

Legs

[Icescale Leg Armor] – Leatherworking

Feet

[Enchant Boots – Greater Assault] – Enchanting

Beast Master Hunter Gems

Meta Gem

[Relentless Earthsiege Diamond] +21 Agility and 3% Increased Critical Damage

Requires 1 red, 1 blue, and 1 yellow gem

Red if below 400 armor pen

[Delicate cardinal ruby] +20 Agility

Red if near or above 400 armor pen until 1400 armor pen

[Fractured cardinal ruby] +20 Armor Penetration Rating

Stats/Blue

[Nightmare tear] +10 All Stats

Yellow

[Puissant Dreadstone] +10 Armor Penetration and +15 Stamina

Notes

Gems and enchants should be picked depending on the stats needed. Example: If under hit cap gem and enchant until hit cap, following the stat priority. Stack armor penetration above 400 or agility bellow, ignore socket bonus.