JSB Match Diabolo Exact 0.89 gram / 13.7 grains .20 cal.

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JSB Match Diabolo Exact 0.89 gram / 13.7 grains .20 cal.

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under500fps

Post subject: JSB Match Diabolo Exact 0.89 gram / 13.7 grains .20 cal.

Posted: Fri Apr 15, 2011 5:48 pm

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Joined: Thu Sep 22, 2005 2:40 pm
Posts: 6371
Location: Eastern Passage N.S.

The JSB Match Diabolo Exact 0.89 gram / 13.7 grains .20 cal. have a very tight fit in my three .20 cal. pistols .
I have to use a pellet seater with them for my HW45 .
And they are accurate in all of those 3 pistols of mine .

My HW45 .20 STL shots the JSB Match Diabolo Exact 13.7 grains / 0.89 gram at 383 379 389 387 388 fps .

My Benjamin Sheridan H9A .20 pistol (8 pumps) shots those JSB Match Diabolo Exact 0.89 gram /13.7 grains at 447 427 447 445 fps .

My Benjamin Sheridan E9A .20 (co2 pistol) shots those JSB Match Diabolo Exact 0.89 gram / 13.7 grains at 383 382 381 fps .

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René

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Mac

Post subject: Re: JSB Match Diabolo Exact 0.89 gram / 13.7 grains .20 cal

Posted: Sat Apr 16, 2011 3:03 pm

Joined: Fri Aug 24, 2007 9:21 pm
Posts: 2855
Location: Greater Napanee, ON, Canada

I use these pellets in a 20 cal, TX200HC that is Vortec tuned to about 13 ft/lb. They certainly shoot dead on at the distances I have tried this winter. I have not found anything better yet, that's for sure. I shot is out to 25 yards with all pellets touching if I do my part. They are nice and clean too.

I have not weighed a batch yet, but will probably get to that this spring. I may do a review of the rifle and include the pellet info with it.

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Tim
CAFTA Governor and lifetime learner

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Mac

Post subject: Re: JSB Match Diabolo Exact 0.89 gram / 13.7 grains .20 cal

Posted: Sat Apr 16, 2011 7:02 pm

Joined: Fri Aug 24, 2007 9:21 pm
Posts: 2855
Location: Greater Napanee, ON, Canada

I had some JSB .20 cal left in a tin, so I took a few minutes and weighed them.

Turns out there were 93 pellet in the tin and this is the breakdown

Number and weight in grains
1 - 13.2 gr
2 - 13.4
13 - 13.5
18 - 13.6
28 - 13.7
24 - 13.8
7 - 13.9

Average weight was 13.64 gr

Not bad consistency with 70 of 93 or 75.27% coming in between 13.6 and 13.8 gr. Unless I was using them for competition, I would not bother sorting them by weight. I suppost they could be sorted into two piles and the light ones used in lower powered rifles or pistols and the heavier ones used in higher power guns.

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Tim
CAFTA Governor and lifetime learner

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OnTarget45

Post subject: Re: JSB Match Diabolo Exact 0.89 gram / 13.7 grains .20 cal

Posted: Thu Sep 06, 2012 12:03 pm

Joined: Sat Nov 05, 2011 10:09 am
Posts: 197

All the questions I was asking about these pellets and look the answers are here. I was looking for info on a pellet rifle and found this.

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OnTarget45

Post subject: Re: JSB Match Diabolo Exact 0.89 gram / 13.7 grains .20 cal

Posted: Mon Oct 01, 2012 4:58 pm

Joined: Sat Nov 05, 2011 10:09 am
Posts: 197

When I shot my HW45 with JSB Exact Diabolo my chrony numbers/fps read 364.3, 376.6, 378.6, 388.0, 375.8. These pellets are a tight fit.

Today I tried H&N Sport Baracuda, 13.27 gr. my chrony read the fps as 371.7, 383.3, 387.1, 389.2, 380.8, 387.5, 389.9

I noticed that both times I shot the HW45 the first shot was the lowest fps. I guess shooting the pistol cold the spring needs to warm up.

I noticed Under500fps's Benjamin Sheridan H9A has a nice fps with the JSB pellets. Under500fps if you happen to read this post I would like to know if your Benjamin shoots like that out of the box or did you do some mod to it. Also I would like to know out of the 3 pistols which one shoots the most accurate with the JSB's?

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under500fps

Post subject: Re: JSB Match Diabolo Exact 0.89 gram / 13.7 grains .20 cal

Posted: Mon Oct 01, 2012 10:56 pm

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Joined: Thu Sep 22, 2005 2:40 pm
Posts: 6371
Location: Eastern Passage N.S.

OnTarget45 wrote:

I noticed Under500fps's Benjamin Sheridan H9A has a nice fps with the JSB pellets. Under500fps if you happen to read this post I would like to know if your Benjamin shoots like that out of the box or did you do some mod to it. Also I would like to know out of the 3 pistols which one shoots the most accurate with the JSB's?

My Benjamin H9A shot like that out of the box & still does , I did not mod to it .
I find it easier to shoot more accurately with the H9A but it is a hard pistol to pump & the trigger is on the heavy side .

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René

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jgoodz420

Post subject: Re: JSB Match Diabolo Exact 0.89 gram / 13.7 grains .20 cal

Posted: Mon Oct 01, 2012 11:35 pm

Joined: Fri Jun 26, 2009 7:42 am
Posts: 4130
Location: Windsor, Ont

My BS Silver Streak pushes them around 640FPS on 8 pumps, and they shoot extremely accurately...

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"It's just a springer..."

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