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Knappr
 Post subject: JSB pellet length
PostPosted: Tue Jan 07, 2020 6:01 pm 
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Joined: Fri Jul 16, 2010 4:09 pm
Posts: 1249
Location: Southern Ontario, Canada
Just wondering if anyone has tried the 13gr and 16gr JSB .177 and can compares their length to JSB 10.34 pellet. My concern is using them in hatsan mags, as I love my AT44 and pellet length is an issue. Thanks

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rsterne
 Post subject: Re: JSB pellet length
PostPosted: Tue Jan 07, 2020 6:09 pm 
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Joined: Sat Nov 03, 2007 4:19 pm
Posts: 9518
Location: Coalmont BC
10 gr.... 0.250"
13 gr.... 0.265"
16 gr.... 0.294"

I'm pretty sure the .177 AT44 mag. is the same thickness as the .22 and .25 cal.... 0.425"....

Bob

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Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since!
Airsonal; Too many! Springers, Pumpers, CO2, but I love my PCPs and developing them!
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Knappr
 Post subject: Re: JSB pellet length
PostPosted: Wed Jan 08, 2020 8:40 am 
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Joined: Fri Jul 16, 2010 4:09 pm
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Location: Southern Ontario, Canada
Thanks bob.

Another question bob

You wouldn’t know that head diameter of the 13&16gr ? My hatsan loves 4.52 sizes pellets the 4.53 over rotate and give that spirual tragectory and 4.51 tend be create larger group sizes. Thanks

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Daisy 953S .177
Artemis CR600W .177
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rsterne
 Post subject: Re: JSB pellet length
PostPosted: Wed Jan 08, 2020 11:11 am 
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Nope, no idea.... Barrels prefer what they prefer.... I have never found a significant difference in head sizes.... Perhaps that is because the QC of those sizes is, IMO a joke.... I have bought tins marked 4.52 and found pellets all the way from 4.48 to 4.56, with the majority NOT 4.52....

Bob

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Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since!
Airsonal; Too many! Springers, Pumpers, CO2, but I love my PCPs and developing them!
Proud Member of the 2000+fps Club!
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Knappr
 Post subject: Re: JSB pellet length
PostPosted: Wed Jan 08, 2020 5:52 pm 
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Joined: Fri Jul 16, 2010 4:09 pm
Posts: 1249
Location: Southern Ontario, Canada
Thanks Again Bob. I’ve never got around to measuring them but I just might try it out.

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Artemis CR600W .177
Diana Stormrider .177
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Daryl
 Post subject: Re: JSB pellet length
PostPosted: Thu Jan 09, 2020 10:41 pm 
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Joined: Wed Jan 05, 2011 12:35 pm
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Location: P.G. B.C.
Were they standard JSB Diabolo's that you measured, Bob?
Those, in 8.44gr. shot huge groups compared to the same 4.51mm 8.44gr. Cometa, JSB Match pellets which group into 1/10" to 2/10's at 20 yards from the HW97.

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Daryl
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rsterne
 Post subject: Re: JSB pellet length
PostPosted: Fri Jan 10, 2020 12:19 am 
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Location: Coalmont BC
They were not match pellets, but they were marked for head size.... I bought 3 different sizes of Exacts, in both .177 and .22, and decided it was a total waste of time.... YMMV of course....

Bob

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Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since!
Airsonal; Too many! Springers, Pumpers, CO2, but I love my PCPs and developing them!
Proud Member of the 2000+fps Club!
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