i received a new batch of JSB express

i received a new batch of JSB express

Joined: March 8th, 2009, 4:24 pm

July 31st, 2012, 7:58 pm #1

red tin, batch number 40007411. i shot groups this morning along side the blue tin 30007909. the red tin shoots to a different poi and also does not group well compared to the blue tin 3000xxxx batch. Is anyone else seeing this? this is in my pro sport.
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Joined: April 12th, 2006, 7:56 am

July 31st, 2012, 11:23 pm #2

I shot a Pro-Sport for about 2 years before joining the Darkside. It greatly preferred the heavier 8.4 grain pellets of just about any brand over the Crosman 7.9 straight out of the box. Both sorted and weighed, they shot very close to each other in performance. Oddly, the older Chinese Green label match domes shot nearly as well out to 45 yards and then the groups would open up. Same with Crosman Pointed and Milbro Clippers. JSB Exact 8.4 gr., 4.52mm, Beeman FTT and Crosman Premier 7.9 all shot smaller groups past 45 yards.
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Joined: July 6th, 2009, 8:36 pm

August 1st, 2012, 1:28 am #3

in both of my guns. TX and PS. it is just this new batch seems mediocre.
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Joined: January 11th, 2006, 1:50 pm

August 1st, 2012, 1:42 am #4

red tin, batch number 40007411. i shot groups this morning along side the blue tin 30007909. the red tin shoots to a different poi and also does not group well compared to the blue tin 3000xxxx batch. Is anyone else seeing this? this is in my pro sport.
Same result as you in every gun that shot the old blue label express well. The red label did not group well. I only wasted my money on 4 tins.

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I am unique...just like everybody else
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Joined: July 6th, 2002, 8:59 pm

August 1st, 2012, 2:08 am #5

in both of my guns. TX and PS. it is just this new batch seems mediocre.
.
Last edited by HookEm on August 1st, 2012, 2:13 am, edited 1 time in total.
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Joined: December 17th, 2009, 1:03 am

August 1st, 2012, 2:14 am #6

red tin, batch number 40007411. i shot groups this morning along side the blue tin 30007909. the red tin shoots to a different poi and also does not group well compared to the blue tin 3000xxxx batch. Is anyone else seeing this? this is in my pro sport.
Define "not as well". How much does the group open up and at what yardage?

And is the POI reliable within the red tin compared to itself?

Furthermore, what is the alternative now? What pellet will you turn to?
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Joined: February 1st, 2006, 1:12 am

August 1st, 2012, 4:09 am #7

red tin, batch number 40007411. i shot groups this morning along side the blue tin 30007909. the red tin shoots to a different poi and also does not group well compared to the blue tin 3000xxxx batch. Is anyone else seeing this? this is in my pro sport.
Larry,

I have also noted similar results as you from some JSB pellets. If I am not mistaken, the first two numbers in the series on the tin is the die number. So, your old pellets were likely die 30. I had good results from die 30 as well. However, your new pellets are likely from die 40.

I will bet if you look closely inside the skirt from the back of the pellet, the die 40 are probably deeper and end with a near pin point shape. In contrast, the die 30 will be shallower, and end with a blunt, flat spot inside the skirt.

Good luck in finding something to replace those old faithful die 30's.

Take care,

Harold
Harold Rushton
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Joined: February 16th, 2009, 8:33 pm

August 1st, 2012, 4:11 am #8

red tin, batch number 40007411. i shot groups this morning along side the blue tin 30007909. the red tin shoots to a different poi and also does not group well compared to the blue tin 3000xxxx batch. Is anyone else seeing this? this is in my pro sport.
You always see wanted ads for specific JSB batches. Maybe it's time for me to register www.jsbexchange.com

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CASA Member - California Airgun Shooters Association: http://socasa.org
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Joined: July 6th, 2009, 8:36 pm

August 1st, 2012, 6:24 am #9

Larry,

I have also noted similar results as you from some JSB pellets. If I am not mistaken, the first two numbers in the series on the tin is the die number. So, your old pellets were likely die 30. I had good results from die 30 as well. However, your new pellets are likely from die 40.

I will bet if you look closely inside the skirt from the back of the pellet, the die 40 are probably deeper and end with a near pin point shape. In contrast, the die 30 will be shallower, and end with a blunt, flat spot inside the skirt.

Good luck in finding something to replace those old faithful die 30's.

Take care,

Harold
and will keep those for state and nationals.
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Joined: July 6th, 2009, 8:36 pm

August 1st, 2012, 6:27 am #10

.
i have heard others have liked them as well.
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