Thread: Colt LE6921/M4LE lower and rLL
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  #7  
Old 02-25-2008, 01:16 PM
opticalc opticalc is offline
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Join Date: Feb 2008
Posts: 13
OK, I had been referring to diagrams on another site apparently have the m16/ar15 labels swapped. Thanks for the link.

1 more question: is the BCG or just carrier for a 6.8mm SPC upper the same as the BCG for a 5.56 upper or carrier?
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