I have a qb79 deluxe with the xp bolt. on co2 was shooting about 500+ with 13 gr pellets. just put the ninja 13ci hpa bottle set to 950 psi. shooting 15.9 gr pellets between 611 and 621 fps. seems to be a pretty good shot count but i have not really focussed on that. I can adjust the reg to 1100 psi but I dont know how much power that would add. would like to get to 800 to 850 fps. This gun is probably a good candidate for mike melick. Any Thought?
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