Anyone know when The JSB Knockout .215” slugs will be released?

I’ve got a 29” Benchmark that’s going to love one of those 3 sizes. Listed as .215”, .216, & .217” 

I may just have to have my choke cut off for those if they’re anywhere near as good for my Benchmark as I think they’ll be. Tough call as it puts 18.13’s hole in hole at 50 and in no wind I’ve gotten consistent dime sized groups at 100. Yes, it does lead up quick but it’s amazing until it does. 
If you don’t know about these newer JSB hybrid slugs, I don’t know what to say as I’ve only seen them once and can’t find anything else about them.
 
I have the 216 
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Yeah they’re going to be affordable. I’ll end up trying both JSB & H&N.

I’ll probably buy NSA now that the HSP is running. There’s a few specialties other guys are making that I’ll buy but because of price they’re going to be for long range targets or Varmint hunting mostly.

It depends on the caliber and if they ever go to a HSP also. With Tom Holland focusing on .177, I’m watching his site. But NSA, Griffin also make them.

The HSP makes them affordable but I believe Griffin wants to focus on the 2 stroke & super consistent with a large combination of nose, tails, weights, delrin ball. Tom’s the one offering most choices in .1775” but keep in mind. That’s for his RAW and other FT guns. I’d suspect larger .1775” will do well in Crosman barrels. Especially older ones and anything capable of 13ftlbs or more for .177. Also keep in mind .177 slugs aren’t for 200+ yards. I think they’d be absolutely perfect for headshots at 50 yards or closer on Groundhogs, without, shall we say fear of over travel? Exactly why I’m not going above .25 & that gets used the least.