I got my r5m long in .25 I have tried the JSB Hades and the JSB mark2 out he box was shooting the Hades 956fps and the Mark 2s in the 940s shot about 300 and cleaned it groups are about 50cent piece at 50 yards. So I turned the reg down to 120 now its Doing Hades abut 930 fps and about 1"...