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AR15.COM
7/4/2010 3:43:11 PM EDT
i'm about to order a new stock for my cmmg m4 carbine. i'm away from home and don't know whether i have a commercial or mil-spec buffer tube. anyone know?
7/11/2010 6:50:24 AM EDT
[#1]
I believe CMMG uses only mill spec tubes, at least the two I own are.