JSB Rifle match(yellow). I believe in 4.51. Thats favorite of both my Tau 7 Match and Silhouet.
For my Tau 7 Jr, its JSB Pistol 4.49 (=green)
RWS, H&N...waiste of time/money. All were outshot by JSB.
Havent tried JSB S100 yet in the Tau 7s
My Tau mk8 only grouped with Qichuan or what are they called. Some chinese matchpellet.