Originally Posted by robkarrob

MP1SG

Since it can be done, some of us are going to do it. You have warned us, what more is going to be gained by continuing these warnings. If you test and it works with no issues, what else can we do? Are you aware how little 1/64 inch is? These guns were not designed with that small of variation to have much of an effect on ejection, which should be the only issue with this conversion. We each have our opinion on mods to a gun. Yours is against this particular mod, and mine is for. We have expressed our opinions so let's move on.

Warranty should be a non-issue. Put the stock 40 barrel back in and you have a stock Shield.

Bob