Best Perks, Wildcard, and Equipment for the XM4

For this XM4 build, we want to take the following Perks, Wildcard, and Equipment:
Perk 1: Gung-Ho (Increases Sprint and Tactical Sprint while reloading or utilizing Equipment)
Perk 2: Dexterity (Reduces overall weapon sway while jumping, diving, or diving)
Perk 3: Double Time (Doubles the overall duration of Tactical Sprint)
Specialty: Enforcer (Killing enemies grants a temporary speed buff and increases health regen rate)
Wildcard: Gunfighter
Lethal Equipment: Frag Grenade
Tactical Equipment: Stim Shot
Field Upgrade: Assault Pack
As mentioned previously, opting for the Gunfighter Wildcard will allow you to utilize three additional weapon attachment slots.