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M4a1 FSP Rear KAC

BigRed308

Sergeant of the Hide
Full Member
Minuteman
Jan 16, 2019
360
126
Looking to see which KAC rear folding sight is right for a FSP m4a1 build. Can't figure out if I need the micro or standard. Any advice?
 
You'll honestly be fine with either. When I was in Ranger Battalion from 2004-2008 we had the standard on our M4A1s as well as MaTech.
 
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