Interchangeability of the AR-15
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January 18, 2013, 11:58 PM
Join Date: May 16, 2008
Is there a reason ou can't make an AR-10 upper in 556? Seems like there shouldn't be a problem beyond a specialized mag or mag well. Too heavy of a bolt for the 556 to cycle correctly?
$0 of an NRA membership goes to legislative action or court battles. Not a dime. Only money contributed to the NRA-ILA or NRA-PVF. Second Amendment Foundation is a solid alternative.
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