AR 15 A2 Sights

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AR 15 A2 Sights

Post by ddavefl » Fri Nov 14, 2008 2:51 pm

Can anyone tell me the difference in the AR15 a2 rear sight apertures ?
I have 4 sights< two that came with the rifles and two I purchased
after market, and they ALL have different Dia apertures ?

Thanks david

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