Walt I'm not a metallurgist or a spring guru, but compressing springs linearly against themselves should extend their usable life. Additionally, if you have a fte or Ftf how do you know if the spring/guide rod is a contributing factor or not? Pretty tough to say, many argue that jmb didn't use or that they are not used in countless military firearms w/o issue, I do not dispute that, but for the countless others that do have reliability issues that go unexplained or unresolved how do you know this is not a contributing factor? I simple remove it from the equation.
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