Precisely

Precisely is a campaign Commendation in Halo: Reach. A point is obtained every time the player kills an enemy with a 'precision' weapon during the Campaign. The Commendation is represented by the Sniper Kill Medal without the gold star on a green background.Bungie.net: Halo: Reach Career Stats
===Requirements===
Kill an enemy with a DMR, Needle Rifle, Sniper Rifle, or Focus Rifle in the Campaign.
Tier 	Required #	Rewarded Cr
Iron 	250 	500
Bronze	750 	750
Silver	4,000 	1000
Gold 	10,000 	3000
Onyx 	20,000 	3000
MAX 	32,000 	0
==Sources==