Letter Re: Some Points About Pistol and Rifle Magazines and Their Springs

I’m glad that one of your readers wrote in to advise against stretching magazine springs. I can also add that when a replacement of any weakened (shortened) coil spring is not available, there is an alternative: Find a rod to use as a mandrel within the spring, and tap with a hammer to slightly flatten the coils against the rod as you work your way around. This will lengthen the spring, without creating the kind of strength-impairing deformations that stretching will cause. – Mr. Bravo