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AR15.COM
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6/20/2016 7:23:45 PM EDT
Howdy Gang,
I'm looking at a used rifle built on an Anderson AM--15 chasis.  How do I know if it is RF-85 or one of their non RF-85 treated guns?  Is there a specific marking that they put on or are there certain signs I can look for?
Any information would be a great help.  Just trying to gather as much data as possible before committing my $$.
Thanks,
Doc
6/20/2016 7:38:53 PM EDT
[#1]
Both upper and lower would be marked r85 by the trigger pins
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