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A top Czech manufacturer of pellets is entering the market with an absolute
innovation – these are not standard pellets, but long‑awaited slugs.
> 100 pcs in stock,
Estimated Delivery:
July 30 - August 3.
€ 9.8
Purchasing this item will give you 25 Loyalty Points. Find out more about Balistas Club
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Excellent customer support from specialists – for over 15 years 
-20% on selected product in the loyalty program 
New videos and reviews every day 6000+ reviews from our customers The world’s number one in pellet production, the Czech company JSB, is entering the market with a completely new product. These are not standard pellets, but long-awaited slugs.
JSB KnockOut Slugs are a real heavyweight in their class. With a weight of 20.83 grains (1.350 g), their ballistic coefficient is 0.088. They offer very good energy transfer to the target and high accuracy.
7× rated
By submitting your review, you are agreeing to our review guidelines. It will be published once we make sure it corresponds with our terms and conditions.
Daniel Klapac
30.05.2026
Machine translation
For me, one of the best lighter slugs and maybe even the best overall, but
I haven’t decided yet, since HN has some new cal 217 and low weights, so
I still need to compare it with those.
Michal Beránek
27.04.2026
Machine translation
In the photo, a grouping test at 50 m, five shots fired. Epic Two with a
700 mm barrel, set to 70 J (at this power the chronograph showed 320 m/s at
the muzzle).
2 minutes Buyer's Guide
Picking the right caliber for your airgun is a key step to getting the most out of it. Whether you're into target shooting, pest control, or just want something for recreational shooting, each caliber comes with its own pros and cons. Here's a quick guide to help you decide based on your shooting style and expectations.
