JSB Match Diabolo Exact .177 Reviews

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Loads nicely in a Gamo PT85 tactical blow back air pistol.
Nothing...
Very good heavy and accurate pellet. I have a refurbished CP scope model 72601 mounted on my PT85 tactical. I stand 20 yards away. I do not use a monkey bag or any kind of support. I shred a plastic bottle cap consistently, using 32 shot out of one CO2 cartridge.
Clean
Better quality control.
These were mostly 4.47 not 4.53. A few were 4.48.
10 of 14 JSB Match Diabolo Exact .177 Reviews
Old Gamo Hunter 440 loves these pellets. Best group of any pellet I have tried.
I like shooting these pellets when the wind is calm. I shoot these into my fortitude, DAR, Nova Liberty, and Avenger.
Nothing!
I like shooting these when the 4.52 size will not group well. You really have to sort out which to use shooting on paper targets, 4.52 or 4.53.
Uniformity
Nothing
extremely accurate out of my Beeman R-9, probably 1 of the most accurate pellets I've tried. Very uniform and well packaged. Was at my door in 2 days.
Nothing
Seem to be a loose fit in the chamber of my R-9 , when I cock the rifle the pellet usually falls out . Never experienced this with any other brand of pellet
JBS quality as usual. No damage, consistent head sizes and pellet weight.
Nothing
These shoot well out of many airguns regardless of manufacture.
Very accurate and a consistent pellets.
Seem to be very accurate out of my Feinwerkbau 124 and my Beeman R9.
The size states 4.53, but all of my HN pellets of this size have to be pushed in to the chamber with a lot of thumb pressure. These just slide right in. Makes me wonder if the size is accurate.
Great pricing. Better than Amazon! The packaging / Shipping For those who never ordered with this company, I have just 1 word "perfection" The way they package items is pleasurable Well protected and very neat. That says a lot about this companies shipping
Nothing
I appreciate the perfectionism
JSB makes consistent and accurate pellets. They are awesome in almost all of my guns.
Fill the tins with pellets that have the head size marked on the tin! I checked all the tins with a PelletGage and all of them were between 4.49mm and 4.51mm. None were 4.53mm.
I now have tried 16 tins of these pellets, and none of them purchased in 2021 were 4.53 (or even 4.52mm) in diameter. Previous batches ordered in 2019 and 2020 actually had 4.53mm head size pellets. I check all pellets with a PelletGage, because I want to verify the sizes that I receive.
Use these in my 300S and TX 200
Really nothing I can see these are well packaged
I use a pellet gauge and the last few tins have been very consistent. I also use a pellet sizer which make a noticeable difference even at 25m.
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Aug 01, 2025
By George
Clean
Better quality control.
These were mostly 4.47 not 4.53. A few were 4.48.