Although I've been a 3rd gen pistol armorer since the 90's, it's not all that often that I have to dip into my parts collection to repair guns. When I have, it's typically been because someone has fiddled with a gun and damaged something (damaging a sideplate while installing factory grips incorrectly), or abused the gun in some manner (repeatedly loading the chamber directly instead of from a magazine, or letting it be submerged in water without reporting it for more than a year, etc
).
I've had a small number of instances where a part was unknowingly defective, or had been produced at the wrong end of some tolerance spec & stack combination.
I've even had some guns require attention and parts replacement after having seen 10-20 years of heavy use (and neglect), and having been used to fire more than 10-12K+ or more rounds.
Even some of the older revisions of some parts have sometimes resulted in the need for a replacement part at some point after years of use (ejectors are an example).
However, that's taking into consideration that I've helped support a few hundred early 3rd gen's which remained in-service for close to 20 years, and then their replacements (TSW's) for several years. In the greater picture, not much in the way of spare parts have really been required, overall.
It's amazing how well the 3rd gen guns can withstand normal usage if simply cleaned & lubricated properly, on a reasonably periodic basis, and then given fresh recoil and mag springs (without waiting for them to demonstrate signs that they've become significantly weakened or worn out
).
Yes, the use of the hotter loads in each caliber can accelerate the expected wear & tear ... but that's one of those TANSTAAFL considerations, folks.

I've had a small number of instances where a part was unknowingly defective, or had been produced at the wrong end of some tolerance spec & stack combination.
I've even had some guns require attention and parts replacement after having seen 10-20 years of heavy use (and neglect), and having been used to fire more than 10-12K+ or more rounds.
Even some of the older revisions of some parts have sometimes resulted in the need for a replacement part at some point after years of use (ejectors are an example).
However, that's taking into consideration that I've helped support a few hundred early 3rd gen's which remained in-service for close to 20 years, and then their replacements (TSW's) for several years. In the greater picture, not much in the way of spare parts have really been required, overall.
It's amazing how well the 3rd gen guns can withstand normal usage if simply cleaned & lubricated properly, on a reasonably periodic basis, and then given fresh recoil and mag springs (without waiting for them to demonstrate signs that they've become significantly weakened or worn out

Yes, the use of the hotter loads in each caliber can accelerate the expected wear & tear ... but that's one of those TANSTAAFL considerations, folks.

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