It could have possibly worn down at all? Do you have any other ARs to compare it with?
FIVETWOSEVEN Member Joined Aug 28, 2009 Messages 5,146 Jan 19, 2012 #26 It could have possibly worn down at all? Do you have any other ARs to compare it with?
1KPerDay Member Joined Jan 19, 2006 Messages 20,873 Location Happy Valley, UT Jan 19, 2012 #27 It's possible. I haven't tried the conversion in any of my other ARs. I will soon if I remember.