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Zbroia Kozak Pellet Weight Comparison.

Discussion in 'Anything Airgun Related' started by PBaz Barrett, Mar 8, 2019.

Tags:
  1. PBaz Barrett

    PBaz Barrett 'I love slinging led me'..

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    Here is the chronograph results from a Kozak .177 (short). Although it is regged, each 12 shot string (1 mag) was shot from 250Bar

    Pellets used:

    JSB Exact Beast Diablo 16.20gr 4.52
    JSB Heavies 10.34gr 4.52 (My Pellet of Choice)
    JSB Exact Diablo 8.44gr 4.52
    JSB Express Diablo 7.87gr 4.52
    H&N FTT Green 5.56gr 4.52

    KOZAK PELLET TEST.jpg

    Overall I use the JSB Heavies 10.34gr 4.52, I find they offer decent pellet speed, accuracy and knock down power..

    Its seems while lighter pellets offer better fps, they are more unstable at range due to lighter weight and faster speed (harder to shoot in a breeze), they also have less knock down power. JSB Beast Diablo's travel too slow for me (may as well use a .22) and produce the least power.

    I also find my Kozak .177 is not really pellet fussy, and is accurate with all, JSB Heavies 10.34 shade it for me..

    Interested what type of ammo other Kozak owners use?
     
  2. Jukebox

    Jukebox Better to burn out...than to fade away.

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    Heavies for me too mate.
    Likes normal exacts as well and only pellet mine doesn't like are FTT's for some reason.
     
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  3. Simonsays

    Simonsays Donator

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    Mine shoots most well but Exacts are good, Heavies similar or better. Tightest groups I've had are with DS Sovereigns. But these have fallen out of the mags enough to cause a few jams. Soft skirt I think the cause...
     
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  4. TonyB55

    TonyB55 Engaging Member

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    My 177 short really likes everything. AADFs seem to group the best but it is marginal. Ive tried JSB Heavies,RWS superdomes,Bisley Mags they are all more than acceptable.
     
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  5. PBaz Barrett

    PBaz Barrett 'I love slinging led me'..

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    Yes the Kozak barrel's don't seem very fussy at all I agree. Seem accurate what ever you put in them. I wonder if the Lothar Walther barrels are as good? lol.. Don't think they do one in a short anyway..
     
  6. Bad Beagle

    Bad Beagle Engaging Member

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    My .177 is very good with many but seems best with Bis Mags or Accupel. And I love it !
     
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  7. Reevo17

    Reevo17 Big Poster

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    I have a 110 but concur heavies over 8.44 exact for the same reasons...

    You could argue why have a .278 then use heavy pellets but I like the stability and carried energy at range


    .
     
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  8. Reevo17

    Reevo17 Big Poster

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    .177 even


    .
     
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  9. PBaz Barrett

    PBaz Barrett 'I love slinging led me'..

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    Yes it would be interesting how a .177 shooting a 16gr would compare with a .22 shooting a 16gr? I wonder what would work best regarding accuracy and BC? They would be about the same fps..
    Interesting though..
     
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  10. Bagster66

    Bagster66 Busy Member

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    I am not sure if they would produce the same fps.
    The 13 grain jsb's shoot really low in my ,177 but shoot really well in my .20
     
  11. Hopalong

    Hopalong Busy Member

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    My 450/220 loves 7.87 grain 4.52 AADF in .177, as my recent picture will attest.
     
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  12. davejenzen

    davejenzen Donator

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    my kozak short is .22 i,ve tried loads of different pellets. it turned out that 18gr were not too bad but did,nt group as tight as aadf 16gr, hn ft were all over the place and tight through the mag. the aadf are very good and producing 11.3 so very happy with it so far
     
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