Date: 26/9/2017 9:11

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JSB Match Exact Jumbo Diabolo Pellets, .22 Cal, 15.89 Grains, Domed, 250ct

JSB Match Exact Jumbo Diabolo Pellets, .22 Cal, 15.89 Grains, Domed, 250ct

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  • Description
  • Specifications
  • Customer reviews
  • Questions & Answers
  • .22 caliber
  • 15.89 grains
  • Domed
  • 250 per tin

JSB pellets have a reputation for being extremely accurate. Great care is taken during the manufacturing and sorting process. While you may pay a bit more for JSB Match Exact Jumbo Diabolo pellets, you'll be rewarded with accuracy other pellets will find hard to achieve. Consistency in size, shape and weight are the hallmarks of JSB pellet manufacturing.

In stock

Item Code: JSB22-JumboEX [PY-P-1153]

other products by JSB

Caliber0.22" (5.5mm)
Ammo TypePellets
Suggested forSmall game hunting/target practice
Ammo Shape

other products by JSB

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5.0 5.0

5.0 5.0

5.0 5.0

By Stephen from USA on 2017-04-11
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0.00 ratings

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Things I liked: Excellent and consistent performer in the magazines of my 2 pcp air guns. Consistently accurate as well.

What others should know: Not the pellet I chose to use to sight in my airguns, and as such shot consistently low right compared to the other pellet.


5.0 5.0

4.0 4.0

4.0 4.0

By dfemmert from USA on 2017-04-01
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0.00 ratings

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Things I liked: My favorite so far in my Walther Terrus but still trying others. These JSB Exact 15.89gr are a solid fit head and skirt (sticks out maybe .5mm) though I use a pellet pen to press in just below flush and I'm grouping well at 20 - 30 yards now that it's scoped. I plan on testing the JSB Jumbo Heavy 18.13gr tomorrow to see how they compare and give the 14.5gr RWS Superpoints another try though the loose fitting head is a concern but I'll see how well they group now that I'm using a scope.

Things I would have changed: Nothing as far as using in the Terrus, consistent fit and accuracy. After reading about pellet skirts being too thin and bent, I started paying closed attention to the skirts. I checked the skirts on the JSB Jumbo Diabolo and the Jumbo Heavy. The "Jumbo Heavy" is taller with a longer skirt than the "Jumbo Diabolo" but the Diabolo with the shorter skirt is "deeper" looking at the rear of the pellet and the skirt thickness measures .031" on both. I did see some bent skirts but since I use the Venturi Pellet Pen with the adjustable pellet set, it does seem to matter. I have it adjusted so the pellets are pressed in about 1mm below flush which seems to even out any inconsistencies after you press it into the breach. This is my first break barrel gun and my first pellet pen, a great little tool.

What others should know: I just got a tin of JSB Jumbo Heavy 18.13, also 5.52mm which seems to be the perfect size for the Terrus. I haven't tried them other than to load one to see if they fit the same, they do, and shot into my target trap I made about 30 years ago that's packed with ballistic clay. Same stuff Pyramyd sells as impact putty ( I bought one) but mine is 30 yrs old so pellets are much easier to dig out. As far as the Terrus, RWS Superpoint extra 14.5gr - the head goes in loose but the skirt is tight, sticks up about 1mm but I use a pellet pen and press them in just below flush. The first pellets I got for the Terrus were the Superpoints and the H&N FTT, 14.66gr, 5.53mm and they need a pellet pen to seat as they are snug at the head and the skirt sticks up a couple mm. The tightest but hardest hitting. I was a bit concerned with them being a tight fit after reading airgun barrels are made from softer steel unlike my IZH-46 which I read is made from the same steel/barrel as the AK-47.


5.0 5.0

3.0 3.0

5.0 5.0

By Dan from USA on 2016-07-26
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5.02 ratings

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Things I liked: Accuracy!!!! If you visually compare these pellets to others, you see a very high consistency of the finish. No burrs, no dings, no rough casting surfaces. As a machinist of nearly 30 years, that stands out to me as very important for consistent accuracy shot after shot. I shot these through my Beeman break barrel and it was a game changer. Finally hit the lucky combo.

Things I would have changed: Nothing

What others should know: These are produced in various weights. My next purchase will be to try them all. Half the fun of this sport is hitting the perfect combo and then taking out a tree rat with a clean single hit at 30 yards. No brag here just happy I can turn a "toy" air gun as some would say (no not here) into a viable humane varmint control weapon without causing a fuss for the neighbors


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  • Collin from USA asked:

    The JSB Jumbo Express and JSB Jumbo Heavy both show a head size but these do not. Does the head diameter on these very more than the other weights?

    • Robert from USA asked:

      What is the head size?