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Glockin’ since 1993
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48,487 Posts
I’ve had a lot of night sights lose glow well before their projected dates.
In the last 30 or so years the current manufacturers seem to hold up a lot better.
I was in some rain the other day and noticed a pretty good layer of rust developing on the rears of my duty G22.
Pretty surprising for newer manufacturing. I noticed most sight manufacturers probably went to Cerakote or another tougher finish as I haven’t seen rust on my sights in a good amount of years.
These are TruGlo TFO or TFX.
 
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