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AR15.COM
AR Sponsor
7/22/2009 8:33:21 AM EDT
I have a complete upper from M1S..I would like to swap the flattop out for a A1 slick side...Is it just a barrel swap like a regular AR?
7/22/2009 9:17:27 AM EDT
[#1]
Yes, I just used a M1S Upper on a dedicated 22 build.
SO
AR Sponsor