I've used it on 200 square feet of flooring so far with no problems. I only hammered 3 nails, two of which were the first two nails I hammered with a gun. I have some experience with cheaper wood floor guns. While they don't cut into wood very often in my experience, they do tend to jam, forcing you to stop the work, unholster your gun and clean it. I am very happy with my purchase and plan to sell the used shotgun when I have completed the other 300 square feet that I need to install. The…