I have a gunnery commando in full BH augmented gear. My aim is 2322, and power around 950. Can't remember my crit and surge numbers, but know they come out to 35% crit (buffed) and 74% surge. Make sure you augment with your primary stat (aim) and that your mods are unlettered (nimble for crit and agile for power (i think). My grav rounds regularly hit in the 3k range. If you need help look me up on the Harbinger (name is Chew-bacco)