I stopped at Jay's yesterday. They had a big box of A17 for about $70.00+. I didn't buy it. I want one box to see how it shoots in my gun before I spend more money. I bought one brand that shot 1" groups at 50 yds. I didn't even bother to try to adjust the tuner. Same brand, different bullet shot fine.

Most ammo will shoot 1/2" at 50 yds. and I can use the tuner to make some of them shoot half that size or better.