Ok, that makes more sense now. I guess I never paid that much attention to the inside of the upper to notice if it had the M4 cuts or not. I had always noticed them on the barrel extention.
Thank you for the clarification Paradox!
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yes its a m4 barrel extension, I will ask then does anyone know of a local machine shop that might be qualified to help me. Anyone here ever used Rich's Gunshop in Donald as a gunsmith? I had a friend say they have helped him in the recent past? Thinking that no feed ramps will work fine, but gonna stick with my gut and have it done.
Ok, that makes more sense now. I guess I never paid that much attention to the inside of the upper to notice if it had the M4 cuts or not. I had always noticed them on the barrel extention.
Thank you for the clarification Paradox!