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AR15.COM
AR Sponsor
2/12/2007 8:52:37 PM EDT
I've searched on this topic and can't find the info I'm looking for.  If it's already covered somewhere else I apologize.  

Looking at barrel assemblies on CMMG's website, specifically the 16 inch Medium contour Mid-length barrel.  Which Delta ring assembly should I order it with?  Regular or flat?  For the future, how do I know which one I need?  Is one for Free-Float rails and the other for standard handguards?

Thanks for looking and for the information.

EDIT:  Info found.  Thanks.
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