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Diana 48 pellets

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    Glenroiland
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    United States
    Accuracy: +7

    Good evening all!  I'm relatively new to air guns, and have put thousands of rounds through my sig Sauer asp20 in .177, and probably 1000 rounds through my Diana 48 T05 in .22.  

    Question I have is regarding pellet choice for the 48.  It is grouping the baracuda match 21.14 in ragged one hole groups at 20 yards.  Is this pellet too heavy for this gun?  I'm using it for target , pliinking, and small game.

     

    thank you in advance!

     

    Glen

    • This topic was modified 2 years ago by  Glenroiland.
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    srtmat
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    United States
    Accuracy: +5

    I wouldn’t say that’s too heavy but your on the upper end for that power plant. If it shoots them well go for it.  

    If you haven’t tried JSB’s in 16 & 18gr I would get some.  At 21gr I would think your speed an power are probably not at there most efficient. Definitely adds to the hold over at longer ranges.

    on my .25 cal 52 anything over the JSB 25.4s and the fps sink like a stone.

    I’ve heard some people say that shooting too heavy of a pellet shortens the life of the spring. If so great all the sooner you can get a Vortek kit.😉

    I have a Vortek kit with well over 5000 shots on it and going strong. 

    Mat

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    walter3rd
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    United States
    Accuracy: +2

    I’m using the jsb 18 gr in my diana 48 and seems to group well. My backyard range is about 25 yrds so similar to what your shooting. 

    • This reply was modified 2 years ago by  walter3rd.
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    mobilemail
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    United States
    Accuracy: +10

    Mine prefers Air Arms 15.89.  Only your gun can tell you what it likes best.

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    Glenroiland
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    United States
    Accuracy: +7

    I appreciate the input guys!  I guess I'll stick with these for the next 1000 rounds, since that's what I have left of them!  Then I could switch to 18 grain.  I have tried the following pellets:  jsb exact jumbo express Diablo 14.39, jsb jumbo Diablo 15.89, h and n field target trophy 14.66, and the 21.14.  although they all shoot well, the 21.14 group the best, and they always shoot HIGHER up on the paper target than the lighter pellets.

     

    I haven't chronied any of them since I don't own any equipment (yet)😉.

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    srtmat
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    Accuracy: +5

    My old 56TH in .22 (same power plant) always shot 18gr JSB’s higher as well. Speed, harmonics, barrel length, who knows what caused it. My gun liked JSB 18’s, H&N FTT’s, and JSB 16gr. In that order.

    I had a 48 in .22 years ago and it just loved the old Crosman 14.3 Brown Box. Those were the days.

    Mat

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    Glenroiland
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    United States
    Accuracy: +7

    srtmat

    My old 56TH in .22 (same power plant) always shot 18gr JSB’s higher as well. Speed, harmonics, barrel length, who knows what caused it. My gun liked JSB 18’s, H&N FTT’s, and JSB 16gr. In that order.

    I had a 48 in .22 years ago and it just loved the old Crosman 14.3 Brown Box. Those were the days.

    Mat

    Yup, those were the days.  Although my sig loves the crosman brown box…..

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    xindaris
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    Accuracy: +4

    H & N Sniper magnums shoot the best in mine. I am shooting at 35 yards.

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    Glenroiland
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    Accuracy: +7

    xindaris

    H & N Sniper magnums shoot the best in mine. I am shooting at 35 yards.

    17.9 grain.  Probably a good one for me to try.  Most of my shooting is between 20 and 36 yards.

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    donwalk
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    Accuracy: +1

    I shoot the same pellet from my 54 with a high degree of accuracy using open sights…👍

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    Glenroiland
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    Accuracy: +7

    donwalk

    I shoot the same pellet from my 54 with a high degree of accuracy using open sights…👍

    Which pellets?

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    donwalk
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    Glenroiland

    donwalk

    I shoot the same pellet from my 54 with a high degree of accuracy using open sights…👍

    Which pellets?

    H&N Barracuda match 21.14, 5.5 mm…

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    Glenroiland
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    Accuracy: +7

    donwalk

    Glenroiland

    donwalk

    I shoot the same pellet from my 54 with a high degree of accuracy using open sights…👍

    Which pellets?

    H&N Barracuda match 21.14, 5.5 mm…

    Ahhhh, good to know and thank you!

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    Glenroiland
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    Accuracy: +7

    Random question.  Anyone have any idea how many FPS they are getting with the Diana 48 power plant using the 21.14 grain pellets?

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    walter3rd
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    Accuracy: +2

    Enough to kill a squirrel at close to 50 yrds I bet. I shoot them at 25 yrds with 18 gr and it’s pretty stout! 

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    Glenroiland
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    walter3rd

    Enough to kill a squirrel at close to 50 yrds I bet. I shoot them at 25 yrds with 18 gr and it’s pretty stout! 

    No doubt!  Just trying to get a grasp on mine.  Bought it used, and it's grouping the 21.14 so well I won't change it.  But I got a chrony today and registered around 560 fps.

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    srtmat
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    United States
    Accuracy: +5

    Here’s a link to the test numbers from Straight Shooters website.

    http://www.straightshooters.com/rws-model-48-.22-beech.html

    your numbers look a little low, but if it shoots well I’d leave it.  How old is it? Maybe a weak spring? Might have been left cocked.  

    I had the factory spring break on my 48. The bottom 3 coils just wound up in the rest of the spring. Shot fine just seemed slow. No Chrony back then, didn’t know until I took it apart.

    If it needs freshening up I’d get a Vortek PG2 kit. Nice smooth power.

     

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    Glenroiland
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    Accuracy: +7

    srtmat

    Here’s a link to the test numbers from Straight Shooters website.

    http://www.straightshooters.com/rws-model-48-.22-beech.html

    your numbers look a little low, but if it shoots well I’d leave it.  How old is it? Maybe a weak spring? Might have been left cocked.  

    I had the factory spring break on my 48. The bottom 3 coils just wound up in the rest of the spring. Shot fine just seemed slow. No Chrony back then, didn’t know until I took it apart.

    If it needs freshening up I’d get a Vortek PG2 kit. Nice smooth power.

     

    That's exactly what I was looking for.  I'll chrony it again tomorrow, but I thought it might be low.  It shoots very well, so not sure I'll mess with it until I need to.  I bought it for pest control, but I have other options if needed.  Thank you!

    • This reply was modified 2 years ago by  Glenroiland.
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    Glenroiland
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    Accuracy: +7

    srtmat

    Here’s a link to the test numbers from Straight Shooters website.

    http://www.straightshooters.com/rws-model-48-.22-beech.html

    your numbers look a little low, but if it shoots well I’d leave it.  How old is it? Maybe a weak spring? Might have been left cocked.  

    I had the factory spring break on my 48. The bottom 3 coils just wound up in the rest of the spring. Shot fine just seemed slow. No Chrony back then, didn’t know until I took it apart.

    If it needs freshening up I’d get a Vortek PG2 kit. Nice smooth power.

     

    And in terms of age, 2006.

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    1BadDart
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    United States
    Accuracy: +16

    Mine shoots several pellets well but it's favorite is H&N FTT in 5.53 head size.

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