JSB Match Diabolo Exact .177 Reviews
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Accurate, holds tight pattern at 30 to 50 ft.
Screw top.
Nice and hard hitting.
The old pellets no longer available were the best pellets available for my CPC Pistols. Pellets were clean and weights accurately as advertised.
Go back to the prior molds or sizing dies.
These new pellets ordered do not work well in my Marauder or Steyr LP 50 CPC pistols. The head space of the pellets are smaller than listed and fit loose in the barrel and magazine. When pellets are put into Steyr magazines some of the pellets will fall out when the magazine is tuned upside down.
The pellets do weigh out correctly which makes me believe there is a sizing problem in production.
10 of 396 JSB Match Diabolo Exact .177 Reviews
Nov 21, 2025
By Mick
Verified BuyerVery satisfied with the groups I’m getting with my HW97.
Feb 24, 2025
By niel
Verified BuyerMy TX200 loves the 4.52 dia ones.At ten yds you can cover 3 shots with a pencil eraser.
A little better price would help.But no matter what I will buy.
My search for the right pellet is over thanks to a friend who recommended the who has the same gun.
Oct 08, 2024
By Nick
Verified BuyerThe pellet I use in my TX200
Sep 06, 2024
By James
Verified BuyerJSB pellets are suberb. PA Packaging was beyond expectations. If you want your pellets in pristine condition, buy from Pyramyd Air.
nothing
Aug 17, 2024
By Gregory
Verified BuyerThe most flawless pellet I have ever used. They shoot 1-hole groups from all of my air rifles/pistols.
Nada
If you have an air gun that gives you so-so patterns, swab your barrel and give these a try. You might be amazed.
Very effecive ,Nice price
These are accurate in three different Airguns (pistol and rifle) so the weight, shape, and quality must be very good.
Nothing
JSB is one of the wonders of the modern industrial world, producing a product (pellets and slugs) so good that airgun manufacturers allow them to make pellets for them to be packaged under their own name. Says everything, I think.
The pellets are very accurate and a better price point than the competition .
nothing
JSB pellets are always consistent.
Nothing to change.
One of the most consistent products for airguns you can buy.
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Dec 13, 2025
By Steve
The JSB 8.44 Exact are still running way undersized. I have multiple tins in my shop all marked as undersized. I bought this tin just to see if anything has changed, and there has been no change. The average size in this brand new tin That is marked as (4.52) is 4.48. Very loose fit.
Make them closer to the advertised head diameter
Will work fine in tighter barrels. In larger barrels that prefer the 4.52 head size they will be very loose.