I have a metal slide now. The slide catch actually locks into the groove in the slide rather than against that metal cage, so it's no longer an issue.
But the point being is you should HAVE to do that from a high quality gun. Yes, it will reduce the wear, but when cheap guns can run for years without that issue, why shouldn't the 'top of the line' gun be able to operate the way it was intended without its internals getting destroyed after 5 mags? It's like buying a Porsche, having the engine blow as soon as you reach 120 kmh, then the dealer not honouring the warranty because because you went over the speed limit.
And the wear I experienced only seems to occur on more recent model guns. Others have checked their guns that they've had for years, and it doesn't show any of that wear. TM just cheaped out on their recent batches, I think.
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