Armed Eye Doc Posted October 8, 2017 Author Report Share Posted October 8, 2017 3 minutes ago, sketch said: is there a dimple on the bottom of the barrel to aling the gb set screw? if not you may want to do that? its kind of scarry to do the first time but start small and slow.. take your time ! I think there is one. This was my first upper to put together so it may be elsewhere in the build as well. The gas tube seems to go in the upper receiver with little resistance. Quote Link to comment Share on other sites More sharing options...
Robocop1051 Posted October 9, 2017 Report Share Posted October 9, 2017 Try a few different brands of mags too: ASC, C-PD, Stoner, D&H. Some x39 builds are just temperamental about the mags they want to run. Quote Link to comment Share on other sites More sharing options...
Armed Eye Doc Posted October 9, 2017 Author Report Share Posted October 9, 2017 10 minutes ago, Robocop1051 said: Try a few different brands of mags too: ASC, C-PD, Stoner, D&H. Some x39 builds are just temperamental about the mags they want to run. I will get some of different brands. Quote Link to comment Share on other sites More sharing options...
MoriartiArmaments Posted November 21, 2017 Report Share Posted November 21, 2017 On 07.10.2017 at 9:10 PM, Armed Eye Doc said: Here it is with the optic mounted and the sling (that still needs to be attached). I'm taking it out tomorrow for testing. I let a friend look it over and test fire it. He said it did well the first few rounds then would not cycle the bolt at all. It did not have much lube on it, so that may contribute some. But I think the gas block might have moved. Hey guys. Thank you for sharing this! :) Quote Link to comment Share on other sites More sharing options...
Armed Eye Doc Posted November 21, 2017 Author Report Share Posted November 21, 2017 I attached the sling and tightened the gas block. It ran several mags easily with no problems. Great gun!! I used D&H mags and had no problem. Quote Link to comment Share on other sites More sharing options...
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