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JSB Diabolo Exact King Heavy MKII .25 Cal, 33.95 gr - 300 ct

Available in .25
Only $19.94
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  • 150 count
  • 300 count
  • In Stock
  • Code: 546498-300 · $19.94 · .25 · 33.95 grains · 300 ct
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MkII pellet has a skirt diameter that is only 6.5mm- making the pellet work a little more reliably in some rotary magazines.
  • .25 caliber
  • 33.95 grains
  • Round nose
  • 300 pellets
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  • ManufacturerJSB
  • Caliber.25
  • Ammo TypePellets
  • Ammo Weight33.95 grains
  • Pellet ShapeDomed/Round nose
  • Pellet Quantity300 ct
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Average Customer Review
5.050 Reviews
94% (47)
6% (3)
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By Roman USAMay 30, 2020 Verified Purchase

I’m a first time buyer. I was really nervous about what kind of condition they would arrive in. This place also has the best price on them as well. When I got them(which it took them a while to actually ship them, but once they were in the mail I got them fast.) they were all in great shape. I didn’t see any of them in a messed up shape. Fit well in my gauntlet mag. Getting my hand pump Wednesday so I’ll be layin them down range before to long.

Great shape out of the box. Heavy little suckers.


By SiyuUSAMay 28, 2020 Verified Purchase

best pellet for high power pcp now, but maybe slug will instead it!

Very accurate in my Cricket and Impact MKII

weight variable too much that make you sort job hard to do!

By ToddUSAMarch 7, 2020 Verified Purchase

The skirts are much thicker which makes them less prone to being bent up as much

I have using the 25.39 in both my MkI and my new MkII with the new power plenum. Then I decided to step it up a bit by getting the JSB MK II Heavies. Wow do these hit extremely hard! I took advantage of a great Deal and purchased 32 tins at one time. These are just as accurate as the 25.39's at 50 yards. But at 100 yards and Beyond they are doing great at 1" MOA @ 100 Yds. the sound of the impact when hitting an animal or an object has a very nice "SMACK" to it I appreciate the sales team making this huge purchase more financially possible by giving a Military Discount. Be sure to ask for Ruth when placing your order, She is extremely knowledgeable and helpful with any questions that you ask her.

The biggest thing is you take a hit of loosing 50 Rounds per tin as the Qty is 300 rounds rather than 350 per tin (The JSB 25.39's) Which in turn make a tin of Heavies more expensive due to the fact that your loosing 50 rounds per tin. ( I am sure that you get my point by now) Also I was told that the new tins were suppose to have a twist off lid now, That is not the case......At least not with the 32 tins that I received. It would be much easier to buy in bulk if the price was lower. After all it is just lead.......maybe offer a 500 ct tin for the same price as the 350 ct tin? Maybe you don't need such an extreme profit margin? Then also you would be getting more sales as apposed to your competition? Just a though

By MichaelUSAJanuary 21, 2020 Verified Purchase

Perfect match for my Airforce Condor when taking out pests.

No need to buy any other pellet for my Airforce Condor. Once dialed in the quality of the gun allow me to shoot fantastic groups. Squirrels and chipmunks never take a second shot from these pellets.

no cons

By Raymond USAJanuary 7, 2020 Verified Purchase

Equipment used: Taipan Veteran .25 & range finder: Mounted scope, zeroed in three shots @ 30 yds. Took additional shots out to 50 yds, gun was on. Pellets performed as advertised. Eliminated two pests 30 and 41 yards. Very happy with the performance of the new pellets. Shout out to Airgun Depot for the fast shipping of the above item plus two others and response to my e-mail. Very pleased with their service.

By R.K.USAJanuary 3, 2020 Verified Purchase

Very well packed. Arrived much sooner than expected!

JSB quality

I was hoping for screw top tins.

By CharlesUSADecember 23, 2019 Verified Purchase

I shot these at 60 yards at 2" Splatterburst targets. I aimed one mil dot high as my scope is sighted in for the JSB 25.39. Not one pellet missed the targets and most would fit under a nickel. Slight breeze had no effect on these pellets. My Gauntlet is 47.5 fpe and loves all JSB pellets. So nice to pay a little bit more and hit the aim point consistently.

Heavy hard hitting pellets with consistent accuracy.

None yet.

By Jose Luis G. SolUSANovember 21, 2019 Verified Purchase

Very well packaged and protected so they can keep their shape an extremly good accuracy

Accuracy, design, good bc


By MarkUSAJuly 20, 2019 Verified Purchase

My at44 long loves these things. Very accurate and consistent and better in the wind than the 25 grainers. Impact on small to medium game is unreal.

Best hunting pellet l've found.

None, could be a little cheaper.

By ToddUSAMay 2, 2019 Verified Purchase

Shots great out of my edgun R5M Matador Standard...super tight group at 65 yards

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