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ar 10 wont cycle
13 years 6 months ago #7457
by Maximus
Replied by Maximus on topic Re: ar 10 wont cycle
Did you try different mags or different ammo? 
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13 years 6 months ago - 13 years 6 months ago #7497
by mrfixit
I feel your pain! I built one just like it 26"BBl,ect.,and it would not cycle either.Found out it was gas tube where it meets the gas key on top of the bolt.It had a flared end and was hanging up the bolt not allowing it to close all the way on firing of follow up shots.Cost me a new bolt and carrier to boot.It seems like the company that made this particular upper(in my case)wanted to cut corners on the tightening of the barrel and nut which in turn tweaked the gas tube off of center,and then they opted for a "farmer fix"with the gas tube and key.I replaced the bolt with an armalite bolt and carrier,and have to still replace the gas tube with an armalite product.Hopefully I will get out this sunday to find out how this will group and if the cycling function is corrected.BTW-the company no longer offers this upper in the 26"bbl.Mine was not built by armalite(blackthorne)!
Replied by mrfixit on topic Re: ar 10 wont cycle
I feel your pain! I built one just like it 26"BBl,ect.,and it would not cycle either.Found out it was gas tube where it meets the gas key on top of the bolt.It had a flared end and was hanging up the bolt not allowing it to close all the way on firing of follow up shots.Cost me a new bolt and carrier to boot.It seems like the company that made this particular upper(in my case)wanted to cut corners on the tightening of the barrel and nut which in turn tweaked the gas tube off of center,and then they opted for a "farmer fix"with the gas tube and key.I replaced the bolt with an armalite bolt and carrier,and have to still replace the gas tube with an armalite product.Hopefully I will get out this sunday to find out how this will group and if the cycling function is corrected.BTW-the company no longer offers this upper in the 26"bbl.Mine was not built by armalite(blackthorne)!
Last edit: 13 years 6 months ago by mrfixit.
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