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.

Stats for Beast Mastery Hunter Wotlk

Stat priority

5% hit > 1400 ARP > Agility > Attack Power > Crit > Haste

Beast Mastery Hunter Stats Overview

Hit Cap

Hit reduces the chance of missing. The hit cap is 8%, with [Focused Aim]  the amount needed is reduced to 5%.

Armor penetration (ARP)

Armor penetration is one of the most beneficial stats, it can ignore enemy armor and after 400 armor penetration it gives the highest DPS boost, that’s why after this threshold all gems should be for armor penetration. Gem for agility below 400 and armor penetration above, depending on the gear available.

Agility

The best stat when you are bellow 400 ARP and hit capped. It increases the attack power and critical chance.

Attack power

Mail and leather items have a lot of attack power, it increases the damage per hit.

Critical Strike

Critical Strike increases the chance to deal double damage.

Haste

Haste increases the speed of the attacks.

Stats Breakdown without increasing effects

33 hit rating ≈ 1% to hit

33 expertise rating ≈ 1 expertise

33 haste rating ≈ 1% haste

45 critical chance ≈ 1% critical

1 stamina ≈ 10 Health

1 intellect ≈ 15 mana

1 agility ≈ 1 attack power

1 strength ≈ 2 attack power

1 critical chance ≈ 84 agility

14 Armor Penetration ≈ 1% Armor ignore