Ok i've been searching around for a 45/45 tank and i've found that on paintballgear.com the java 45/45 is supposed to get "close to 500 shots on a full fill", but on the same website the PMI Pure Energy 45/45 gets 800 shots with a full fill, and then on shop4paintball.com the same PMI Pure Energy 45/45 (although the pictures vary slightly) says that it gets 1200 shots per fill. So WTF is going on i mean can u really have a 700 shots per fill difference on the same size tank? If anyone could help me out by telling me which number is correct. Somebody has got thier facts wrong.