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Old 10-29-2010, 12:42 AM   #1
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Default Trijicon Question

I just purchased some Trijicon night sights for my glock 19 gen4. The seem awesome so far! I have a question, what are the numbers on the sites? Mine says 10 on it. It has a T symbol thing, H3, and then the number 10 on it. Does this number mean anything?

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Old 10-29-2010, 02:34 AM   #2
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It's their NRC registration number to prove they are legal tritium sights.

Tritium vials are highly regulated by the NRC (nuclear regulatory commission)

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Old 10-29-2010, 03:09 PM   #3
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The numbers represent the year of manufacture. Tritium has a half life of 10 years. meaning they will maintain their brightness for a long time. your sights were made this year (2010). You will not notice any dimming of the sights for a long time

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