Equalizer | Extinction - perks and skills CoD: Ghosts Guide

	Portable Minigun turret : place the minigun on the map.
Level Two	Larger ammo capacity + faster spin-up time.
Level Three	Maximum damage dealt at any distance+ slightly larger ammo capacity.
Level Four	Armor piercing ammo.
Level Five	Maximum ammo capacity + explosive ammo.
	Grenade turret : portable turret with 10 grenades.
Level Two	Faster grenade launch + increased ammo capacity.
Level Three	Increased radius of damage and range of the grenades.
Level Four	Increased ammo capacity.
Level Five	Equips the turret with incendiary grenades.
	Crowd Control : Riot shield with 10 health.
Level Two	Riot shield with medium speed and 15 health.
Level Three	Riot shield with medium speed and 20 health.
Level Four	Riot shield melee with 20 shield health
Level Five	Riot shield melee with 20 shield health
	MK32 Grenade Launcher : a powerful grenade launcher with 6 grenades.
Level Two	A blast shield protecting the player from blast damage.
Level Three	Faster Movement + increased grenade damage radius.
Level Four	Grenades deal more damage.
Level Five	Increases the grenade capacity to 12.
	Death Machine: a portable minigun with 100 rounds.
Level Two	Decreased recoil.
Level Three	Faster Movement + armor piercing ammo.
Level Four	The fired rounds deal more damage
Level Five	Ammo capacity increased to 200.

Explanation:

Out of the items in the last group, three of them are useful:

• The minigun turret - an ideal choice of each beginner for a reasonable price. It handles well at the beginning of the mission and, after it is upgraded, the gun shoots armor piercing rounds, and then explosive rounds. You will not cower from armored targets, including the Rhinos. The problem appears when the enemy gets you from behind - the rotation angle of the gun is quite low so, you are incapable to eliminate the enemy behind your back, without relocating the gun.
• Grenade turret - it is nothing else than an upgraded version of the minigun, which launches grenades instead of firing rounds. The grenade inflict territorial damage so, direct impact on the target is not a must. Additionally, you can launch grenades towards the ground under your feet, which does not deal damage to you, and damages the enemies around you, at the same time. This eliminates the necessity to relocate the gun when the enemy gets you from behind. Additionally, the grenades launched by the gun deal damage to the barricade hive so, you can speed up the process of destroying the obstacle, using the gun.
• The Riot Shield - it is not as useful if you are not going to use the pistol, because you cannot hold long-range weapons and the shield in your hands at the same time (you put the shield onto your back then, but with the shield on your back, you are protected from behind, because it dampens the damage that you take).

Due to their cost and low ammo capacity, the Mk32 Grenade Launcher and the Death Machine are pretty much useless.