there are sniper shoulders in halo reach i dont know what that guy was smoking check YouTube.
You go to the halo waypoint in your game library and do the achibement that gives you the armor
You can buy the gungnir helmet at Lt. Colonel for 250000 cr
At General :D
Ranks up to general:
Recruit, Corporal, Sergeant, Warrant Officer, Captain, Lt. Colonel, Commander, Colonel, Brigadier, General
You unlock the Grenadier Shoulders at the rank of Colonel, they cost 65,000 cR.
You have to find the shoulders in the shoulders in the section in halo reach
commander wich is after lt.colonel grade 3
Reach level 50
By getting to Leiutenant Colonel rank you unlock the CQC shouloders to buy in the Armory.
you need halo waypoint to find out
Once you reach level 50, you can then choose a specialization
as of right now, you can only go to a certain level. soon, you will be able to get many more levels(this weekend ;oct.9 maybe). you unlock the commando helmet at the rank on Commander. to see armors and what level they unlock at, go to http://www.haloreachers.com/halo-reach-helmets/ or http://loot-ninja.com/2010/09/27/halo-reach-armor-and-voices-unlock-guide/ have fun
Do a bulltrue in matchmaking to unlock the avatar award.
You have to be an warrant officer in halo reach to unlock the helmet you also have to go to halowaypoint and unlock the armor.
It is unlocked at the rank of Colonel on Halo: Reach and costs 1,200 CR
for finishing the halo 3 campaign on heroic you unlock the E.V.A helmet, plus the shoulders and body plate for certain missions.