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  1. J

    New Hatsan Piledriver not airing up

    Following up here...I was able to borrow a neighbor's tank and, sure enough, with a strong enough blast the gun started holding air. At which point I could connect up to my little CS2 compressor and get it up to max pressure (it took a while, though). I've shot it about 6 times, and was hoping...
  2. J

    New Hatsan Piledriver not airing up

    Hey, thanks everyone for the responses. Yes, the cocking handle was pulled all the way back when I was attempting to fill with my compressor. Hatsan support did get back saying a tank or large compressor will be needed for that initial shock of air to seat the valve, confirming some of the...
  3. J

    New Hatsan Piledriver not airing up

    Howdy from Texas! First post here after lurking for a few months researching big bores. I settled on the Hatsan Piledriver in 0.457 for various reasons. I received my new Piledriver today and, after reading the manual, proceeded to air it up with my PCP compressor without success. The air...