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Posted: 2/7/2006 9:13:17 PM EDT
[#1]
barrel profile
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Posted: 2/7/2006 9:37:13 PM EDT
[#2]
Add exstended feed ramps cuts to the barrel extension to work with the M-4 upper.
The M-4 is a Colt design improved carbine system. In regards to non-Colt copy barrels, the differences could also include chrome lining, and a tighter sidewall dimension chamber as well. |
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Posted: 2/8/2006 8:16:57 AM EDT
[#3]
Thanks for the info guys.
So whats your recommendation? LMT M4 upper or other brand? The upper will be going onto a Lauer lower. |
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Posted: 2/8/2006 8:52:29 AM EDT
[#4]
there are both options when you go with other brands. with or without extended feed ramps and there are also car profile bbl.s with the "extended feedramps". both could be had with chrome lining or different chambers. |
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Posted: 2/8/2006 8:53:33 AM EDT
[#5]
lmt makes good stuff. there is also sabre stag bushmaster colt cmmg the lower is just a lower |
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