Chuck,
have you tried the various brands of target rimfire ammo to see what they'll do in the rifle? If not, I would expend some energy in that direction. I have seen huge differences in some target quality .22's between different brands of even the match ammo.
have you tried the various brands of target rimfire ammo to see what they'll do in the rifle? If not, I would expend some energy in that direction. I have seen huge differences in some target quality .22's between different brands of even the match ammo.