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1/31/2014 8:05:14 AM EDT
Ok I have an A2 carbine that I would like to swap out the upper receiver to a flat top model.

If I use a BUIS flip up sight on the flat top upper receiver, will I also need to change the front sight base to an F marked model to make it work correctly?

Posted Via AR15.Com Mobile
1/31/2014 8:47:17 AM EDT
[#1]
OR purchase a .040 taller front sight.
1/31/2014 10:39:09 AM EDT
[#2]
Yea; that will work. They are on the market.  I bought some for my M4 because when I zeroed the iron sights my front sight was almost out of the FSA.
(site not avl now)
1/31/2014 10:45:44 AM EDT
[#3]


Quote History
Quoted:



OR purchase a .040 taller front sight.
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I think I have an extra laying around that I don't need. OP, I can mail it to you if you want. IM me your addy.




ETA: spelling.











 
1/31/2014 12:50:31 PM EDT
[#4]
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