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JSB Diabolo Knockout Slugs 5.5mm.217 Cal 25.39 Grain Airgun

JSB Diabolo Knockout Slugs 5.5mm .217 Cal 25.39 Grain Airgun Pellets, 200 pc

P-JSB/KO.217-200
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JSB Diabolo Knockout Slugs 5.5mm .217 Cal 25.39 Grain Airgun Pellets, 200 pc

KNOCKOUT Slugs

JSB Knock Out 5.5 mm 25.39 grain slugs didn’t get their name for being lightweights. With 25.39 grain these 5.5 mm slugs are heavyweights for sure.

Thanks to the hollow point and the soft lead JSB is known for, these slugs offer a very good expansion on impact. The ballistic coefficient of these JSB Knock Out 5.5 mm 25.39 grain slugs is 0.084.

The exact size of these slugs is .217 and one package contains two hundred JSB Knock Out 5.5 mm 25.39 grain slugs.

NO RETURNS WHATSOEVER!

SPECIFICATIONS

Brand:  JSB
Caliber:  5.5 mm / .22
Pellet shape:  Hollowpoint 
Grain:  25.39
Pellet length (mm):  8
Size:  .217
Packed per:  200

Weight - 1.645 g
Diameter - 5.500
Packaging - 200 pc

 


Customer Reviews

Based on 3 reviews
67%
(2)
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33%
(1)
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B
BARNEY FOURIE
JSB KO Slugs

Best value for money. Accurate up to 100m easily with a good expansion.

J
Jacobus Loots
Brilliant JSB

Brilliant accurate slugs.

A
Alberto
Fit to purpose - pick according to range!

The 3 for this review has nothing to do with the supplier - the service from Pellet-Guns.com was awesome!
The 3 also doesn't pertain to JSB or their products - JSB is my go-to option on anything that goes into my airguns.
My rating is based on something that I experienced experimenting with various types and weights of projectiles ( and yes - I weigh and group my pellets and slugs otherwise there is a consistency issue) - and I am pretty sure that I am not the only one to experience this:
If you are doing any form of precision shooting, leave the slugs in your box unless the target is on the other side of 50m.
I shoot a Nova Vista Leviathan, which is very forgiving when it comes to weight and type of pellets and slugs - and if you are shooting at pigeons under 50 yards, using slugs will not be a problem - you will hit it every time. But if you want to use slugs for precision shooting at the same range, you are not going to get the scores you want as the grouping is not as tight as you will get with your JSB diabolo or redesign.
The moment I moved to 75m and beyond, the slugs started coming into their own and the groupings tightened up considerably.
Again, this is my experience with a variety of pellets and slugs and it may be that I am the odd one out, but it is something I want to put out there for anybody wanting to shoot slugs the first time:
The range at which you shoot a slug or a pellet can make a huge difference in your results. (I think everybody agrees that pellets do not perform that well beyond 50m, but I don't think it is similarly known that slugs come into their own when the pellets start falling away)

Unless I am the odd one out on this, JSB/manufacturers may want to add this into the "recommended range" section of their ammo?