How and when to replace the recoil spring on your Kimber 1911. The recoil spring on your 1911 is critical to the proper functioning and performance of your firearm. However, just like any other spring, it eventually wears out and becomes weaker. When this happens, your firearm will not cycle properly and you will start to experience malfunctions such as a failure to completely load a new round into the chamber. When the spring gets weak, the slide may not…