Thanks, Hevi. What length barrel, if you don't mind. I'm amazed at your group in comparison to mine. I'm shooting the 9's in a 3" 11-87 with a 21" barrel and the IC BDS .665 and only getting about 200 pellets at 50 yds (which I'm happy with). The only .675 I've shot the TSS in is the REM Super full that came with the gun, and it did poorly. I'm just wondering if a longer barrel could be making the difference. I know the 3.5" has more pellets, but DANG that's a good group!
It's 24".