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AR15.COM
2/6/2006 5:49:59 AM EDT
Looks like I have  large pivot pin upper and lower. I'm converting my 6450 into a SBR but I guess I will need an offset pin to mate a RO635 upper to my lower correct?  Will this cause any performance issue?










2/6/2006 4:39:20 PM EDT
[#1]
I guess if there is an issue I could have SAW cut my current upper to a 10.5 and retread it and I could sell the RO635. Any recommendations?