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Posted: 7/13/2009 6:08:47 PM EDT
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Where can I find an A1 upper. I want to change my A3 to the A1. I would like one with M4 feedramps since the lightweight barrel I have has the M4 extension.
Thanks |
FWIW, an M4 extension will work fine with a regular receiver - the problem lies with using a receiver with M4 ramps and a regular barrel extension. I'd haunt the EE myself, or check out the NDS 'Blems' sale if you don't need optics on the carry handle or are willing to modify a mount to fit. I'm sure there are people out there who can modify an upper reciever to M4 specs, but I personally wouldn't do it with a vintage upper. With an NDS upper, do whatever you want - it's a new part! 
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