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Posted: 2/28/2010 4:06:14 PM EDT
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Hello,
I am in the process of planning my first build, and I was wondering what is the difference between these two uppers? http://www.brownells.com/.aspx/sid=56278/sku/BARREL_ASSEMBLY__16___A3_PRE_BAN http://www.brownells.com/.aspx/sid=44443/pid=22586/sku/BA_A3AS_16_COMP_UP__ASSY_16_BBL_A3_PBN Thanks, dogman |
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I don’t see enough info on Brownell’s site.
One is 223 Rem the other 5.56mm, generally 5.56mm chamber is considered more desirable. The 5.56mm weapon says chrome lined, again generally considered desirable. It is not clear if the first one is chrome lined or not. You probably need to go to the DPMS website and look up the details. |
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