JTS 18gr vs JSB 20.83gr KO slugs

Nice timing, I just started looking for info on this slug, and I didn't even remember posting a like when you started the thread. Just yesterday I started using the MK3 .177 10.03gr KO and I want to try their .22 in my Barra 250z now. Are you shooting the .216 diameter? I had thought that was all they were going to offer and it seemed too small to me, so I hadn't even considered it. That is, until yesterday, wow, these things blow up easily. I am going to have to try every caliber available, super impressive.
I'll check the size on them in the morning. Tin says .216 but if I'm not mistaken they were around .217 on my calipers.
 
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I was excited to see these shown in Pyramyd Air's latest catalog, but then when I went to their site, they aren't listed 🫤 Hopefully these become a litle more widely available soon.
They are cheaper than all the other slugs in the marker, and expand as good as VK which makes the best expanding slugs.
 
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Will say I sighted my Long in with them today and shot about 10 birds and wow the pop is amazing on these things. Will likely just use them for the most part.
I tried them in my Barra 250z and the 20.83gr KO's are the bomb! Definately, after 11 different slugs, this is what I was looking for. Thanks for the tip, because I never would have tried .216 without your recommendation.
 
I tried them in my Barra 250z and the 20.83gr KO's are the bomb! Definately, after 11 different slugs, this is what I was looking for. Thanks for the tip, because I never would have tried .216 without your recommendation.
Glad they were good in your Barra! Again so far all the guns I've tried them in I've been very happy with. Have tried quite a few in the past and same thing just not great. But these seem to just be a very good slug.