Cannot Sprint with SL9

I have the strangest issue with the SL9 SMG. For some reason after the recent update, I cannot sprint properly with the SL9 equipped. It has been my favorite gun and is leveled to 58, however all of a sudden it only is pointed straight while moving and has no tactical sprint ability when running , when I attempt to run, it stays pointed straight and its more like a fast walk only. I’ve removed attachments, tried differed classes, reinstalled the game, and it doesn’t work anymore. With all other guns movement is normal. Anyone know what’s going on?

Xbox One