Gun Medic Quick Fix Lube utilizes the same technology used in jet propulsion engines, and has a bio-based formula that is cold/heat resistant from -65 degrees F to 500 degrees F. This technologically-advanced lubricant coats your firearm with micro-thin layer of lube to defend against wear and moisture. Highly concentrated, just a little is all you need. This item comes as a 2 oz. bottle.