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ar-15 sight alignment
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  1. Rifle Discussion
    Hi guys, I have a question on sighting in my Bushmaster XM-15 carbine. I have a quad rail with green laser mounted on left side and a red-dot sight in place of the original rear iron sight. if I use a red laser boresighter and align my green laser and red-dot/front sight on it at 25 yards they...
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