Originally Posted By: hylanderFor taking out the play between the upper and lower, aside from bedding, this works the best:
A strip of blue Masking tape, take 2 minutse to install and last several outings.
The Wedge only removes up and down play, but does not help side to side wobble, the tape takes all the play out.

I just had to try this and yesterday I did. It works.
I know the wiggle doesn't make any difference in accuracy. I just don't like it. Real rifles aren't supposed to wiggle in the middle.