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Posted: 5/10/2016 12:26:50 PM EDT
It has been a while since I put together my last AR15/9 upper. I am going with the Colt system as I already have an AR15 lower ready to go. I plan on using a Hahn top-insert block, no LRBHO. Last time I used an RRA barrel and CMMG ramped bolt. I am sure there are more options nowadays... what do you guys recommend? Looking for quality without breaking the bank.
Link Posted: 5/10/2016 1:41:37 PM EDT
[#1]
CMMG is still the best bolt and their barrels are good. Micromoa.com are good too and have 1/2x28 threads instead of the normal 1/2x36.
Link Posted: 5/13/2016 6:52:15 AM EDT
[#2]
I have a CMMG ramped bolt and love it, no issues at all. They also make good barrels but I went with ADCO because it's a 5" SBR.
Link Posted: 5/18/2016 1:07:37 PM EDT
[#3]
I went with a Spinta bolt (was $129) and joe bob barrel (was $109). About 450 rounds down range and both have been flawless.  I used a promag block, but now I am sold on the AR 9 so my dedicated lower should be at lgs today.
Link Posted: 5/23/2016 9:29:38 AM EDT
[#4]
Cmmg bolt gtg..running a kvp barrel form jbo, it is accurate but my particular tube is a little finicky at times.
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