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JSB Diabolo Exact Jumbo Monster .22 Cal, 25.39 gr - 200 ct

JSB Diabolo Exact Jumbo Monster .22 Cal, 25.39 gr - 200 ct

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  • Code: 300128 · 0.22 cal · 25.4 gr · 200 ct
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JSB pellets manufactured in the Czech Republic by Joseph Schulz are considered by many to be the most accurate pellets available in the entire world. The Exact Diabolo is an intermediate weight, round nose pellet that will deliver improved flight stabilization and fine accuracy. Designed specifically for long range shooting and hunting. The weight has been chosen to fit the most powerful air rifles currently available on the market. They are very heavy weight pellets that are stable even at 50 Joules+ power levels but fits also 70Joules+ rifles. These are a number one choice for an air gun hunters.

  • Caliber: .22
  • Weight: 25.39 grain
  • Nose: Domed
  • Quantity: 200 Count

Warning: Important information for California residents
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  • ManufacturerJSB
  • Caliber0.22 cal
  • ConditionNew
  • Ammo TypePellets
  • Ammo Weight25.4 gr
  • Pellet ShapeDomed
  • Pellet Quantity200
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JSB Diabolo Exact Jumbo Monster .22 Cal, 25.39 gr - 200 ct
40 Reviews
68% (27)
23% (9)
5% (2)
5% (2)
0% (0)
93% Recommend this product (37 of 40 responses)
By Jeremy
Quartzsite Arizona
Best overall performance
April 19, 2019
Consistent accuracy,hard hitting,tight groups.I love them.
By Shawn
Good long range pellet
November 23, 2018
Long range for air rifles means different things to different people but, this pellet can really buck the wind for those longer shots.
By Bubba
Alpine utah
Great pellet
November 6, 2018
They shoot awesome pretty accurate in my qb cheif can nearly hit previous shot hole at 30-35 yd
ProsWeight all pellets seamed identical nothing that I could tell
By Rick
February 15, 2018
These and the 33.95 GRN. are about all I use in the Sumatra .22 cal. rifle I have. I have had very good groups out to 150 yards and the impact energy is unmatched by any other pellet I have used. I keep the speed down to 1080 for my high and 900 for my low and have found that both of these pellets will give outstanding results over and over. Both are my go to choice for pest as long as there are no range issues as these are very powerful at these energy levels(not back yard friendly).
Prosvery good in the wind, outstanding energy, stable at higher velocity and long range.
By Alan
Pellet Review
December 28, 2017
As usual JSB pellets are very well formed and the skirt gives a very good seal. Accuracy in my Umarex Gauntlet and Marauder pistol is outstanding.
By Joe
Manteno, IL
a huge round
December 11, 2017
These rounds are heavy and will bring a great impact for plinking or hunting
Consgroups wide
By pete
great plinker
November 1, 2017
I have only used these for target practice. shoot great. shooting 50 yards hitting very hard and feeding through very well.
By eric c.
okeana, oh
hatsan did not do well with them
October 31, 2017
groupings were all over the place with the Hatsan 95 vortex. May be ok for some guns but this one..nope
Prosnone for my gun wide groups. heavy but you hafta hit the target for that to matter.
Conswide groups. erratic in the break barrel hatsan 95 vortex
By Pat
Saugus, MA
August 21, 2017
name says it all ..hits like a monsta
Prosgreat weight and shape
Consbigger tins needs screw on cap
By William R.
High Quality Pellet
August 18, 2017
Nicely made and a cool design, but not accurate in my Hatsan Galatian.
By Ralph
Did not work well in my Gladius
July 29, 2017
I have a new Gladius Long, and wanted some heavy pellets for distance and stopping power and ones that would not be overpowered at the 6 setting. Bought these and the ultra shock hollow points to try some heavy pellets. While I shot same hole groups with the Jumbo Heavy 18gr, the Jumbo Express 14.3gr and the ultra shock 25.4gr, the groups with these looked more like a shot gun pattern most of the time at 20 yards. Also, the often felt rough and sticky.

In a quest to understand what was going on, I my used digital calipers to check head diameters. The ultra-shocks and the other two were generally about 5.47mm, rarely measuring more than +/-.01mm from that and being within about -.02 of the max diameter as I rotated the pellet. The monsters varied pretty widely, but tended to be about 5.50-5.51mm, with a high of 5.53 and a low of 5.46 for the maximum diameter, and often had significant measurement variations at various rotation angles on the same pellet, with some measurements as small as 5.43 on a 5.51 pellet for example. I think this is probably the source of both the scattered grouping and the variable sticky loading.

They do pack a punch, but my gun does not shoot them worth a damn. Obviously other people have not had the same luck. I may find something I can size them with, or may sort the smaller ones out, but right now the 160 in the tin are destine to be a paper weight, or go to toxic waste disposal at the dump. Maybe I just got a bad batch, but I obviously will not buy these again.
ProsFairly good price by the pound?
ConsNot up to tolerances or performance of the other JSB pellets I have measured or fired. Pretty useless in my gun.
By Lon
Works very well for me.
May 6, 2017
I never get out of the back yard, so these do all I need in a modified CO2 2240 with Maximus barrel. The targets are 8 - 17 yards.
Pellets giving 14.5 fpe at the muzzle. The last squirrel had no arguments. The last 10 yard target test was one pellet smacking
the back of the one before it. I am a lousy shot offhand, so everything is from a rest, but still good groups and plenty of power.
ProsAccurate, powerful, consistent. I think that covers all of the important stuff. Highly recommend to anyone, but every airgun is different.
By david
parma ohio
great deal
April 26, 2017
great price on a very consistent performing projectile
Prosholds grouping better than anything i have shot so far.
Consnone i can think of.
By Jim
Great Pellet, Great Price
February 25, 2017
This pellet goes straight and accurate in my Hatsan BT65 at 1050 fps. 15gr go supersonic and are too unstable.
ProsHard hitting, straight shooting, expand to .310
By Douglas E.
Good pellet
February 6, 2017
Good accurate pellet. Airgun Depo took extra care in packing them. Great packing no way any damage could happen. All pellets good no deformitys.
By Michael
browns mills, NJ
Monsters Beware !
January 28, 2017
If u have a magnum power PCP, U got to try these pellets, the knock down power / penetration is amazing!
Accuracy is very good, when loaded one @ a time is compatible to Heavy Premiers.
I shoot / hunt a .22. cal Career II 707, dispatched a 100 + pound garden pest @ 28 yrd. w/one head shot !
I'm very protective of my tomatoes. I'm sure they would be effective on Jumbo Monsters or Zombies.
ProsPenetration, easy to handle, accuracy ,
Consonly maybe ? very thin, delicate skirts
By Jiayu
Accuracy is very good
January 4, 2017
Accuracy is very good
By Stevie
Philadelphia pa
November 24, 2016
Probably not the best for accuracy but serious knock down power
ProsHard hitting
By Robert
Gamo Urban 22 x2 & Hammerli 850 x1
November 21, 2016
I only have the three 22's for testing but have some solid results. The Urban's are set up with Bushnell Trophy red dots. I only used a Caldwell front bag for a rest. Winds were relatively calm. 30 yards, 1.021" CTC, 5 shot group. AV = 637 fps, ES = 10.2, SD = 3.7 and FPE = 22.88. With chrono at the 30 yard line, AV = 589 fps, ES = 14, SD = 6.3 and FPE = 19.56. 14.5% loss of FPE at 30 yards. Unable to test accuracy beyond 30 yds until I go to the range. I plan on buying another U22 and putting a scope on it. This should tighten the groups considerably. I'm impressed with the results so far.
The Hammerli was just out of curiosity. Very windy on the day I tested. 30 yards, 2.5" CTC, 5 shot group. AV = 480 fps, ES = 7.5, SD = 2.4 and FPE = 12.99. Not bad for such low velocity. Acceptable for closer range pest control. I feel the gusty weather played a large part in the group being so large. When you consider the low SD and the accuracy achieved with the U22's. They were no key-holes and the pellets looked like they were stabilized in flight. I'll have to test on a calm day. That being said, I still feel these are more appropriate for higher power pcp's. Try a tin and see how they perform in your rifle.
My backstop was a fresh pressure treated 2x10 angled behind the Chrony. Pellets were in 1/4" to the skirt. Probably 3/8" - 1/2" deep or so at the tip.
ProsJSB quality, heavy, accurate and carries more energy to the target.
ConsNothing really. They do what I need them to do.
By Genaro C.
Good product. Will rcom
November 3, 2016
Good product. Good stopping power. Great weight.
By Chris
Sioux City IA
These are monsters!
November 1, 2016
These pellets really packed a punch but were not very accurate in my break barrels.
ProsGreat knockdown power, great finish.
ConsThey weren't very accurate in my break barrel rifles.
By Marilyn
Denver, Colorado
September 12, 2016
I have a modded 2240 with 19 inch LW barrel with a 8" silencer on the 20 to 25 yards these hit hard, Hard, HARD..with not 1 flyer..Dove, squirrel..even a head shot on a turkey and its 2240 is tossing these out at 830 fps!!!
ProsBrutal, and accurate, Airgun Depot shipped um fast and with 3 other brands of tins..and all came perfect!!!
ConsU will need a high power rifle for best results..or a modded 2240 or better...
By Guy
Ripley maine
August 11, 2016
Hard hitting pellet, must try
By Roy
grand haven, michigan
JSB Thumper
June 22, 2016
My 22 caliber rifle hits as hard as a 25 cal rifle, thanks for an addition to my ammo selection.
By Reynaldo
Vallejo, CA
Store different pellet weights/grains for different shooting experience...
August 23, 2015
With my purchase of the AirForce Talon SS PCP air rifle, I purchased several cans of pellets and also BB ammos because of the Colt Peacemaker that came free with the air rifle purchase. I purchased the JSB Diabolo Exact Jumbo Monster and the JSB Diabolo Exact Jumbo Heavy because of the good reviews that I have read about it. I got 3 tin cans of 200 counts each, 2 tin cans of 500 counts each, and 1 tin can of 500 counts at 25.39G, 15.85G, and 18.13G respectively. Now I can shoot non-stop for many hours during weekends....Got some BBs and 12grams CO2 cartridges too for my Colt Peacemaker.
ProsWell balanced...clean pellets.
By Rober
Greenville, KY
Great Pellet!
July 23, 2015
I shoot these thru a Hatsan AT44 Long thats been turned up a bit.. Im getting 872 FPS measured at the muzzle & the pellet is still doing over 800FPS @ 40yrds. The BC works out to a incredible 0.066..
ProsThe weight of the pellets is very uniform.. Hits very hard @ long range with lots of penetration power. The high BC allows this pellet to shoot as flat as faster/lighter pellets..
ConsMy only complaint is the tin! it seems flimsy & the lid doesn't screw on. Very clumsy with the amount of weight per tin.
By R T.
Las Vegas, NV.
Favorite Heavy Pellet
March 30, 2015
Hard-Hitting, Accurate & Very Uniform/Consistent/Clean Out of the Tin!
ProsHand Selected Uniform/Consistency = Accuracy!
March 24, 2015
By sid l.
Rifle, CO.
awsome in my condor ss
July 27, 2014
This is my hunting pellet of choice. doves at 75 yrds no problem, seem to buck the wind better as well.
Bought a talon tunes tophat swapped out the factory one and now I get great performance with these pellets but you need a powerful pcp to sling these babys
ProsWieght, quality
ConsNeed to offer a better lid and a large count 500's would work I would buy a ton of em then!
By David
Niagara Falls, NY
It's a Monster
April 25, 2014
It hits super hard and fits pretty well in my Benjamin NP Trail.
ProsHeavy Accurate
By derrick
Covington, KY
cheap and hard hitting
April 5, 2014
These are definitely cheaper than you would expect them to be for their weight and amount. They definitely hit hard but the accuracy leaves me not feeling happy. I can get a grouping around the size of a tin of pellets. So overall they aren't bad. I will usually bring these out when I have a computer part die or feel like crushing an old DVD drive.
Prosweight is good
By michael
tallahassee, FL
powerfull pellet
January 10, 2014
I purchase these when I was experimenting with heavy pellets in my trail np. I found these pellets to have tremendous knockdown power but they wouldn't group well. . I had better grouping with the eun jin 28 grain.
Prosgreat knockdown power
Consinconsistent grouping
By michael
tallahassee, FL
powerfull pellet
January 10, 2014
I purchase these when I was experimenting with heavy pellets in my trail np. I found these pellets to have tremendous knockdown power but they wouldn't group well. . I had better grouping with the eun jin 28 grain.
Prosgreat knockdown power
Consinconsistent grouping
By W S.
irwin, PA
on the heavy side for a springer
November 27, 2013
I use these in my hatsan125th.
Prosheavy, well made, accurate
Consdoesn't seat completely in breach but not enough to hurt the gun.
By Ray
hard hitting
November 4, 2013
my gas gun's are not doing well with these but the geneis NP shoot them very well sub 1" @ 30 yrds
Prosheavy.clean well made, no damage worth trying!!
By Steve
Accuracy Has Improved
June 30, 2013
In my last review I said the accuracy was very poor for these pellets. I've changed my mind on that. My pellet gun was very new at the time, and all the other pellets were very accurate accept this one. But after shooting it some more it seems to have broken in and works a lot better with these pellets. I can hit a milk jug at 75 yards with them, not bad at all! My only concern is that the skirts don't go all the way into the breech, but it doesn't seem to cause any problems. I got these pellets in .22 caliber for a Benjamin Nitro Trail.
ProsHuge pellets, excellent quality.
By Steve
They Seem Like High Quality
June 14, 2013
They look very well made, every one is exactly the same and not a single deformed pellet in the tin. I can't hit the broad side of a barn with them though. Maybe they are just too hefty for the Benjamin nitro trail. They might work well with a more powerful PCP.
By Chris
Horrible grouping
February 25, 2013
Nice heavy pellet! Using Stoeger X10 could NOT get a consistent grouping. Pellets were literally all over the target.
ProsCrazy knockdown power!
ConsInconsistent results
By michael
islip, NY
Beautiful and heavy
February 19, 2013
They shoot well. In my guns they do not group up as well as the lighter JSB's. They have serious knock down power.
ProsHeavy knock down power Nice clean Pellets
ConsDon't group as well as lighter JSB's.
By Ryan
Great pellets when used in an airforce tallon
February 6, 2013
These pellets are very accurate at 40 yards out of my condor.
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