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原帖由 gino 於 4-3-2009 10:59 發表 from G&P it come with the URX kit http://www.gp-web.com/productspop.php?pid=1657
原帖由 hong_lo6 於 5-3-2009 14:54 發表 If you are willing to pay top dollar for it. It's available in the US if you know who to find on ar15
原帖由 hong_lo6 於 7-3-2009 15:11 發表 I should have phrased it better. I know where you can purchase the real steel sight. However you will need to send in your barrel to get it attached.