July 17th, 2008
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Grand Member
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Join Date: Jan 2007
Location:
State College,
Pennsylvania
(Centre County)
Age: 56
Posts: 2,235
Rep Power: 184
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Re: M4 Feed ramp or ?
Mity, You can also go to www.M4carbine.net and get a lot of info about it. If it were me I'd match the upper and the extension just to be sure.
__________________
Ron
USAF Ret E-8
NRA Endowment Member
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