Thread: Gun Sights
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Old February 14, 2012, 09:17 PM   #2
Senior Member
Join Date: November 14, 1999
Posts: 1,571
I'm thinking that you might not mean fiber-optic ... but if you do, fiber optic sights won't fade ... as long as you don't leave them out in the full sun for months on end (UV kills plastic of just about all flavors). Maybe you are thinking about tritium night sights, they last ~10 years before you can notice them getting dimmer ... then if you need them to be brighter, you have to replace them.

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