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Posted: 8/1/2005 3:03:12 PM EDT
I building an M4 by using a bushmaster lower and wondered, Is the Buffer tube hole is smaller or bigger compared to a Colt lower. I am getting a LMT upper and wanted it to be all LMT stuff I wanted all MIL-SPEC parts has much has possible.
Link Posted: 8/1/2005 3:18:43 PM EDT
The threaded part is the same.  The tube dimensions are not.  LMT stock fits Bushmaster lower fine as long as you use the LMT buffer tube/reciever extension and not the Bushmaster one.
Link Posted: 8/1/2005 3:24:44 PM EDT
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