It's to cold outside right now to shoot you any groups but I can say my HW97 in .20 is the most accurate and least hold sensitive springer I've ever owned. Mine is completely tuned with buttoned compression tube and piston with a hornet kit and seal but even in stock form was a really good shooter....
I'm stoked about JSB coming out with the 15.89 grainers especially since Crosman stopped making the premiers...
Should be a great hunting pellet and I'm going give them a go as soon as there available...also have a HW80 in .20 so I'm ready to let the testing begin!
James from Michigan,