User blog comment:JWarrior89/Season 3 Episode 2: HK-47 vs Urdnot Wrex/@comment-379205-20120509220714


 * Rifles: Wrex' Mattock AR takes this for superior stopping power
 * Misc Firearms: HK-47's blaster rifle takes this for longer range.
 * Close-in Weapons: Wrex's warp takes this for unlimited uses and longer range.
 * Disabling Weapons: Wrex's Stasis takes this for unlimited uses.

As for the X-Factors, Urdnot Wrex takes that important factors of armor and combat experience. This, along with his superior weapons will give him the win.