Gentlemen; I read the posts on some of the M&P's shooting low. My daughter and I shot hers yesterday and it is hitting 12" low at 30 feet. This is with the Rem/umc 115 gr. ammo. Which in the previous posts, some indicated the same ammo shot low in their firearm. Is this standard for all of the 9mm's? When I get a chance I will pick up a heavier load and see how that performs.