CZ / Brno
I have 2 CZ 457 At-One's. A .22 LR and a .17HMR. Pretty happy with the .22's accuracy, not so much with the .17HMR. I get 1 & 1/2 to 2 inch groups with the .17 at 100 yards and 3/4 to 1 & 1/4 with the .22 at 100 yards. The .17 always looks random spread where as the .22 has good groups, besides...