Beeman r9 .177 with JM kit installed. Jsb 8.4 @ 865. No spring twang. Just a nice thud. Target 45 yds.
I love that 8.4 JSB pellet. My HW35E , FWB 124D , and my HW30 all shoot the best groups with it. I would have thought the HW30 would like a lighter pellet , but the 8.4 is the winner.