So I have a stag model 6 with a timney trigger topped with nikon monarch scope that shot decent but I just couldn't deal with how heavy it was. So I sold my upper to a friend and bought a stag 3H upper. Put my same scope on it and now it won't hit the broad side of a barn! I shot federal 55 grain fmj and some 45 grain winchester v maxs...both resulted in groups 18-20" @ 100YDS. I don't know wear to begin. With the model 6 upper it easily shot 1" groups.... any suggestions?
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