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Touchy subject.. Can someone PM me about bsa ultra see.

Discussion in 'Anything Airgun Related' started by bf95, Jan 13, 2018.

  1. bf95

    bf95 Donator

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    Touchy subject here considering what's happened at airtech.
    Can someone PM me with instructions on how to increase power on my bsa ultra se, I have a chrono and a selection of light and heavy pellets
    It is currently running at 10 ftlb with bis mags, I'm going to strip it down and clean it all to see if It helps but if not a PM would be appreciated.

    Mods please remove if this isn't acceptable.
     
  2. mikeyhall1

    mikeyhall1 2018 & 2019 Forum Nice Guy

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    Not really a touchy subject at all.

    10ft lb’s is a little on the low side but acceptable depending on the age and state of the rifle.

    Firstly i would clean the barrel, and then Bed in some JSB Exact Jumbos 15.89g in 5.52. Definitely a go to Pellet for BSA barrels.

    See what happens.

    If it’s a new rifle, power will increase over a few hundred pellets.

    Also chrino the entire shot string to find the rifles sweet spot, between 200 & 100 bar.

    Othwrwise a good clean and a different pellet may offer the correct result.

    If that doesn’t work, then yes a little tune up required to get it to a little under 12ft lb’s.
     
  3. secretagentmole

    secretagentmole Low down, dirty and quiet...

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    Don't meddle with it yet. As others have suggest JSB Jumbos are worth a try, especially in 5.52mm.
    If no improvement with power and if you bought it new why not simply take it back and state that it is underpowered, you want it at 11 ft lb with which ever pellet is most accurate and it is not acceptable!
     
  4. cloverleaf

    cloverleaf Super Moderator Staff Member Mod/Admin

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    You might find this of interest..
     
  5. robs5230

    robs5230 леший

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    I've found Bisley magnum produce low power in my ultra se's.

    I'd suggest trying JSB heavy 10.34g before you consider even going near it with a screwdriver

    from a 200 bar fill you should get 40 shots, peaking at around 11.5 in the middle of the curve.
     
  6. bf95

    bf95 Donator

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    Thanks for the information guys I've stripped it down gave it a good clean, will try with a range of pellets I've got. It's about 2 year old had a few thousand through it tbh it probably needed a clean. The accuracy on it is fine with crossman premier. Got myself some aa field in 5.52 see of they're any better. I shall update in the morning! Thanks again.
     
  7. mikeyhall1

    mikeyhall1 2018 & 2019 Forum Nice Guy

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    AA Fields should do the business, though I've found in any .22 BSA they're second place to the JSB 15.89g.

    Relatively the same pellet, but the slight difference I have always noticed in groupings.
     
  8. Scott

    Scott Moderated user

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    cloverleaf Super Moderator Staff Member Mod/Admin

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