This article is from the Paintball FAQ, by Paul "Stryder" Kloehn pkloehn@frymulti.com.
The number of shots per tank is dependent upon two main factors: the gun
itself and how finely tuned the air system is. Generally speaking, high
performance guns such as Mags, Cockers and the new electronic guns will
provide more shots per tank than the blow-back Tippmann's and Spyders.
Shots per tank will even vary on the same type of gun depending upon how
the gun is setup. The table below should be used as a general guide for
determining shots per tank. Please remember - your mileage may vary.
CO2 Tanks HPA 3000 HPA 4500
--------- -------- --------
7oz........300-400 44cc......400-500 44cc.......600-700
9oz........400-450 53cc......600-700 53cc.......800-900
12oz.......500-700 68cc......800-900 68cc.......1200-1400
20oz.......1200+ 114cc.....1250-1500 114cc......1500-2000
(Source: Paintball 2-Xtremes Magazine July, 1998)
 
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