What’s the big deal about a Follower Spring? A spring is a spring! Right? Not at all. No we did’t reinvent the wheel but the Spring Engineers at Lee Spring made some improvements that allow the springs to be tuned from front to back. Most people just slip their spring in place and call it good. If you have an understanding on how to adjust the springs tension you can eliminate those rounds that jump out of the box or don’t want to come out at all.