First of all there not called perks. They are armor affecting game play! I’m pretty sure it will be minor though. (I know this is getting repetitive but I just had to put it out there again.)
Now on to the topic, what i’m guessing the certain armor you wear will affect only minor things like:
1.) Lets say there will be armor that will let you carry more ammo.
Example 1: The Br can only carry 108 bullets.You walk buy a Br on the floor and it will pick up extra ammo, with the armor certain armor you wear will let you carry lets say 162 bullets? You will now have 162 bullets. (That’s something minor and and will not change game play much)
2.)What if there’s armor that will let you carry one more grenade of your choice. There will be certain armor that will let you carry an extra frag grenade, plasma grenade, or any other grenade 343 decides to put in Halo 4.
Example 2: You choose the armor that lets you carry an extra frag grenade you walk by a frag grenade on the floor and you already have 2, with the armor it will let you carry 3. (That’s another minor gameplay changer.)
3.) There’s armor that will let you carry an extra gun?
Example 3: How you pick up the gun will be the same but how to switch it out will be the d-pad. just like how they do it in Gears of War. There will be a disadvantage though It will take a little longer to pull the gun out.
Keep in mind these are just my thoughts on how the armor affecting gameplay will play out.
Give me your opinion or other thoughts how it will play out.