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Old Oct 5, 2009 | 12:28 PM
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clickwir
Floppy Death! noES!!!
 
Joined: Oct 2002
Posts: 21,218
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From: Scranton, PA
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Originally Posted by Snoopy
i like my ACOG
http://en.wikipedia.org/wiki/Advance...tical_Gunsight

The radioactive tritium light source has to be replaced every 8–12 years, since it gradually loses its brightness due to radioactive decay.
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