no, i am using a normal c02 tank, and i looked into what you guys said about the sear o ring wear, i ordered a jcs red hot powertube and their front bolt that comes with it , a vortex mod , and new oring set, i am also going to buy a maddmann spring kit, and also a quick question, my bolt that holds the two halves together and holds the front sight in place( on a stock marker) is stripped, any ideas on how to take it ofF?

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