Is this normal ? I have a P90 and under the slide on the long flat surface that scoops up a round from the magazine , there is a portion of one of it's corners that is cut at an angle on the left side. Not sure if this is normal or made this way . The area is right on the breech face under the firing pin hole. I attached 2 pictures. Any help is appreciated . Sorry , for some reason I cant attach the picture. The "cut out" portion is at the left hand area on the left hand edge when looking at the slide underneath.