Great Balls of Fire! A "Just for Fun" Video using the Slide Fire Stock on a .22lr S&W M&P15/22 testing the Piney Mountain Rimfire Tracer Ammo. We also added a powerful Green Laser to add weight. (Plus, bright lasers are kinda fun on something like this.) This isn't anything technical, just some fun footage very early in the testing of a new Rifle/Ammo/Accessory combo.