I'm running the same rds on my r&r shotgun and I put a few thousand rounds with not a hiccup.. I'm sorry I spent twice the money on a trijicon rmr for other guns but this fast fire II rds is just as good and more then half the price.. www.cgwgun.com/Red-Dot-Sights/Burris-Fas...ight__BUR300248.aspx
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