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JSB Diabolo Exact King Heavy .25 Cal, 33.95 gr - 150 ct

Available in .25
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  • 150 count
  • 300 count
  • In Stock
  • Code: 546398-150 · $11.01 · .25 · 33.95 grains · 150 ct
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The new heavy weight when it comes to .25 JSB pellets, weighing in at 33.95 grains. The JSB King Heavy .25 caliber pellet was developed dueto the request of many airgunners with higher power PCP airguns looking for a little heavier pellet. The skirts on these are rather large so if you're having trouble with your gun loading them, pick up the King Heavy MKII instead.

JSB Diabolo Exact King Heavy Features
  • .25 caliber
  • 33.95 grains
  • Domed
  • 150 pellets
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Specs
  • ManufacturerJSB
  • Caliber.25
  • Ammo TypePellets
  • Ammo Weight33.95 grains
  • Pellet ShapeDomed/Round nose
  • Pellet Quantity150 ct
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Reviews
Average Customer Review
4.9
5.028 Reviews
5
89% (25)
4
11% (3)
3
0% (0)
2
0% (0)
1
0% (0)
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5.0
By JosephUSADecember 30, 2019 Verified Purchase

Great

Pros
Great

5.0
By MikeUSAApril 10, 2018

I fired 25 rounds in the same hole @ 25 yards! unbelievable!. I can't wait to try these at longer ranges.

5.0
By JohnUSAApril 10, 2018 Verified Purchase

I just recently purchased an FX Streamline in .25 cal. fully shrouded barrel w/suppressor. At 100 ft. I can put a pellet on top of a pellet, no problem. Have you ever seen a wood rat's head explode at a 100 ft. ? You have a 25 cal. get a tin and try it, depending on the make and model of your weapon, it may be the best pellet you ever shot or the worst, we all know it varies from gun to gun, but try it, I hope you like it as I do mine, just make sure you describe the gun your using it in and how far away is your target, plus is it windy or calm. have fun.

Pros
It's all good................providing your gun like it.

Cons
none from me.

5.0
By DanielUSAMarch 5, 2018

As I have always said, JSB are the ones you want. Very uniform with no deformation. Get some and you won’t regret it.

5.0
By IanUSAJanuary 9, 2018

these pellets are of uniform size and they have penetrated both front and back of all the targets i've shot. I like shooting cheap shaving cream cans(big lots) , these go thru front and out the back.

5.0
By CharlesUSANovember 10, 2017

this pellet is very accurate for my rifle...a regulated hatsan bullboss....at 40 yards i was able to hit eight out of 10 paintballs glued to a 1 inch thick piece of cypress...resting my rifle on a coffee can on a bench....the pellet penetrated all the way through the cypress each shot......a better shot might have hit all 10....i like these pellets...

Pros
very accurate..i had no problem with the skirt when loading in my bullboss ..

Cons
none

5.0
By PaulUSAOctober 29, 2017

I tested the JSB Heavy in my Hatsan AT44S-10 QE they grouped great at 30 yards and at 85 yards they where hitting hard and very accurate. JSB really makes great pellets. I use the 25.39 grain JSB's a lot and these would be great too, especially for hunting and dropping larger small game. They hit nice and hard. Name: JSB Ex King Heavy 33.95 Shots: 30 Average: 702 FPS SD: 22 FPS Min: 661 FPS Max: 740 FPS Spread: 79 FPS Power Factor Average: 28 Power Factor Low: 26 Power Factor High: 30 Barometric Pressure: 30.2 inHg Temperature: 30F Weight: 40 grains

5.0
By JamesUSASeptember 16, 2017

I just thought mt AT44 liked JSB exact until I tried the Heavys. A 5 shot group is covered by a dime at 35 yards. This pellet gives me consistent energy from a non regulated gun.

Pros
accurate and delivers energy downrange

Cons
not locally available

5.0
By JohnUSASeptember 12, 2017

Awesome pellets, nice performance and weight

Pros
Quality

Cons
Kinda pricey

5.0
By ChrisUSAJuly 4, 2017

POI is very close to the standard Kings, but 8 gr heavier. However, the std Kings fly 200 fps faster from the same rifle (untuned Gladius Long). At 660 fps these came in at 30 fpe. If you want heavy pellets for close in pesting, buy these in the 300/350 cans - they are great for close in work where over penetration may be a concern.

Pros
Accurate & consistent

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