What barrel is used in these uppers?

DefaultUsername Joined Oct 2012 Posts 460 EE 100% (2) USA	Posted: 2/20/2017 9:58:23 AM EDT [Last Edit: DefaultUsername] Hi, I see PA has some blazing deals on some of your uppers. I've wanted to try a Troy upper for quite some time, but I cannot find any information on: 1. Barrel type used in the linked uppers below 2. BCG specs. Thanks! http://www.primaryarms.com/Brand+Troy-Industries/MCategories+AR-15-Upper-Receivers

floridacop Member Joined Jun 2008 Posts 10540 EE 0% (0) FL, USA	Posted: 2/26/2017 9:03:14 PM EDT [#1] I too am interested in some more details on the specs.
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Vegashooter Joined Feb 2014 Posts 3 EE 0% (0) USA	Posted: 8/18/2019 1:43:29 PM EDT [#2] anyone figure out the answer to this question?

Vegashooter Joined Feb 2014 Posts 4 EE 0% (0) USA	Posted: 8/20/2019 5:37:31 PM EDT [Last Edit: Vegashooter] [#3] Found an old thread with a little more info regarding their barrels. Not sure if it's still applicable. I remember during that time, their barrels were marketed as "high performance barrels". https://www.ar15.com/forums/industry/Troy_Defense_Carbine___Barrel_Question_/397-239486/