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Problems Filling a 250 bar rifle to 200 bar?

Forums PCP Airguns PCP Airgun – Discussion Problems Filling a 250 bar rifle to 200 bar?

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    jaykb49
    Participant
    Member
    United States
    Accuracy: +2

    I'm relatively new to PCP's and I've got my eye on a rifle that accepts a 250 bar fill. Unfortunately I use a scuba system to fill my guns and that will only do 200 bar. Certainly I'd get less shots and probably less speed/energy per shot but are there other things to think about? Would the 250 bar gun still be reasonable to use? If so would it be better to use get a regulated vs an unregulated gun or does that make no difference here?

    Jay

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    dizzums
    Participant
    Member
    United States
    Accuracy: +14

    i doubt your down much on energy, just shot count .. you could get a 50$ amazon hand pump that will do 300 bar and try topping it off and see what you get … regulated shmegulated, depends what your doing .. if it will keep 10 shots together thats all i ever need myself, but if your wanting to sit down at a bench and click off 50+ shots a stretch thats a different story ..

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    TMH
    Participant
    Member
    United States
    Accuracy: +45

    My FX guns have a fill pressure of 250 bar max.  I routinely fill to 220 bar when at home and close to air source.  Seems to me that the FX guns just tighten up a little when filled to over 235 bar.

    Actually filling a 250 bar gun to 200 is not going to hurt anything, and will ultimately be easier on the gun.  If you get a regulated gun and the reg is set to, say, 100 bar, you can get a lot of shots off that – depending on the power/caliber and the size of the gun's air tank or cylinder.  Although it only has a 300cc tank, my Impact Compact's second reg is set to 80 bar, and in .22 cal it gives me what seems like a metric ton of full power shots before it drops off Reg #2.  It is not set for ultimate power, but shooting the 18.13's extremely accurately at 880 fps (31 FPE) is plenty for the ground squirrels I am dealing with.  Tune the gun for more power and shot count would go down.

    OTOH my new-to-me .22 cal Leshiy Classic has a tiny little cylinder, and when I fill it to 300 bar I get 10-11 full power shots at 24 FPE with HADES pellets.  Fill to 200 bar and I might get 5 shots?

    Regulated vs non-regulated?  Well, from what I have seen regulated guns can use available air more efficiently and therefore get more shots per fill as compared to unregulated ones.

    So your question is a little open ended as we don't know the gun you are looking at, the caliber, the size of the air cylinder, etc.  But with many guns what you are proposing is very feasible.

    • This reply was modified 7 months ago by TMH.
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    WorriedMan
    Participant
    Member
    United States
    Accuracy: +7

    jaykb49,

       A fairly knowledgeable guy, Matt Dubber, made a series of 15 minute videos, explaining, in simplest terms, the sport of air gunning.  They're called, Air Gun 101, and I recommend checking them out.  The second or third, I think, deals with regulated vs. non-regulated.  If you fill up a balloon and release the air, it rushes out pretty fast, then fades out.  If you could hook a device to the balloon end that opens and closes to release a set amount of air, each time, as TMH says, "… can use available air more efficiently…"   Check into it, then make best choice possible for your individual circumstance.  Best of luck,

                                                                                                                                                                WM

                                                  

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    jaykb49
    Participant
    Member
    United States
    Accuracy: +2

    Thanks very much for your help everyone. This is the first question I’ve posed on this site and I really appreciate the helpful responses. The gun I’ve been looking at is the Daystate Huntsman Revere. I works for me in every way but I had my concern about the fill. I’m not worried now and look forward to getting the rifle.

    Jay

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    carcorze
    Participant
    Member
    United States
    Accuracy: +0

    to enjoy an expensive gun such as the daystate revere  you will eventually want at least a hand pump but a small compressor will give you the most enjoyment think about it

    • This reply was modified 7 months ago by carcorze.
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    darylm
    Participant
    Member
    United States
    Accuracy: +4

    If you can afford a Huntsman Revere (awesome rifles from everything I’ve heard), then you can afford a $400-500 pcp-dedicated compressor. I got an Umarex ReadyAir for around $500 and it’s been great. It’s loud and somewhat slow, but it doesn’t need oil or water. And it fills to 300 BAR……..eventually, lol. 

    • This reply was modified 7 months ago by darylm.
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