To the OP, you are getting non relevant replies because your question isn't really practical. Any modern quality pistol will shoot +p+ just fine.
A pistol is a mechanical object that experiences wear. Every time you shoot it wear occurs. This is excellerated with higher pressure ammo regardless of the manufacturer. This can be mitigated by using a more powerful recoil spring.
Every pistol has a finite life. But for modern pistols it is largely irrelevant because you will pay 5 times or more the cost of the pistol in ammo before it wears out. Very few people actually wear out a pistol.
5k is not a lot of rounds for a pistol. Shoot without worry.
If it is really a concern buy a 9mm 1911 or a steel framed sig 226 or 229.
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