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Uk 850 hpa owners question ?

Discussion in 'Anything Airgun Related' started by Jambo1uk, May 9, 2012.

  1. Jambo1uk

    Jambo1uk Well-Known Member

    Messages:
    66
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    Location:
    Wales (Carmarthenshire)
    Hi and sorry to bug you all again I'm now on hpa and just want to know if any of the uk guys/girls have converted to hpa have you done any of the mods eg flow modding the valve etc and what are good ones/bad ones as I don't want to go above the limit I now am on hpa but otherwise it's standard thanks Jamie.
     
  2. jetski

    jetski Keyboard Hero

    Messages:
    2,967
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    Location:
    Abergavenny ................. SouthWales
    I used to have one running on air, no mods at all, .177 putting out 10.6fpe consistently and I was very happy with it, very accurate so I never bothered tuning it. I did mod the safety though so it didn't come on automatically everytime it was cocked as that used to drive me crazy
     
  3. johnt

    johnt Engaging Member

    done both of mine .177 doing 10.9 with only the valve drilled next to pierce pin 4mm hole and .22 doing 11.5 with same mod , both running 33ci tanks from rap4 and the long connector from best fittings . To damned easy to get the .22 over the limit though , i had to shave a couple of mill off the back of the hammer spring guide to get it down as with standard setup it was doing 15lbs/ft . Ahh reg on tanks is set to about 850 psi
     
  4. Jambo1uk

    Jambo1uk Well-Known Member

    Messages:
    66
    Likes Received:
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    Location:
    Wales (Carmarthenshire)
    Thankyou and cheers Johnt for the extra walkthrough your a star.
     

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