My Avenger is a 25. ( stock ) There has only been 2 pellets shot at 100 yards. JSB 25 gr. and Benji 27 gr. Both shoot 1" groups passing thru 5/8" plywood. Hades 25 gr and JSB 34 gr. MKII shoot as tight, or better, at close range and look good for longer. There is no magic slug...yet. I have...