Nja112189 Posted November 14, 2022 Report Share Posted November 14, 2022 (edited) I have a Gibbz upper on an 5.56 set up that has worked real well. I haven't shot it a ton over the last few years though. I seeked input on building an AR10 platform gun. It appears that there was a lot of negative feed back but took the big risk. Shot 40 rounds through it and no issues. Edited November 14, 2022 by Nja112189 Quote Link to comment Share on other sites More sharing options...
Nja112189 Posted November 14, 2022 Author Report Share Posted November 14, 2022 (edited) Edited November 14, 2022 by Nja112189 Quote Link to comment Share on other sites More sharing options...
DNP Posted November 15, 2022 Report Share Posted November 15, 2022 Stats? What did you throw in the build? Quote Link to comment Share on other sites More sharing options...
Nja112189 Posted November 15, 2022 Author Report Share Posted November 15, 2022 The part list is: Gibbz g10 upper/lower, criterion 6.5cm hybrid barrel, superlative arms adjustable block, jp silent capture, triggertech adaptable trigger, prs lite stock, slr helix handguard, aero bolt. Leupold vxi lrp 6.5-20, percision armament m41 comp. Quote Link to comment Share on other sites More sharing options...
98Z5V Posted November 15, 2022 Report Share Posted November 15, 2022 How long have you had the upper setup? Just the Gibbz stuff? They might have it all worked out now - this could be good news. Quote Link to comment Share on other sites More sharing options...
Nja112189 Posted November 15, 2022 Author Report Share Posted November 15, 2022 I've had the upper receiver for about 4 months and finally assembled last Friday. I have the gas block wide open and mid JP spring. We have deer hunting this weekend so I just took it as a win that it functioned correctly. Will fine tune and post if I find issues. Was using the heaters hunting ammo from Cabelas. Quote Link to comment Share on other sites More sharing options...
Armed Eye Doc Posted November 16, 2022 Report Share Posted November 16, 2022 8 hours ago, Nja112189 said: I've had the upper receiver for about 4 months and finally assembled last Friday. I have the gas block wide open and mid JP spring. We have deer hunting this weekend so I just took it as a win that it functioned correctly. Will fine tune and post if I find issues. Was using the heaters hunting ammo from Cabelas. Good luck with your hunt...and rifle Quote Link to comment Share on other sites More sharing options...
dpete Posted November 17, 2022 Report Share Posted November 17, 2022 On 11/15/2022 at 12:29 PM, Nja112189 said: I've had the upper receiver for about 4 months and finally assembled last Friday. I have the gas block wide open and mid JP spring. We have deer hunting this weekend so I just took it as a win that it functioned correctly. Will fine tune and post if I find issues. Was using the herters hunting ammo from Cabelas. There, fixed it for ya. Quote Link to comment Share on other sites More sharing options...
98Z5V Posted November 17, 2022 Report Share Posted November 17, 2022 Herters is the weakest .223 Rem ammo I've ever tried in my life. It sucked so bad that I gave the remaining boxes away. I just needed it for 55gr range ammo, and it wouldn't do that. Quote Link to comment Share on other sites More sharing options...
Nja112189 Posted November 17, 2022 Author Report Share Posted November 17, 2022 Thanks. Darn auto correct. This was 6.5 creedmoor herters ammo. Just wanted the cheapest to get somewhat sighted. I'm pretty sure I've used some 5.56 without issues. Quote Link to comment Share on other sites More sharing options...
shooterrex Posted November 17, 2022 Report Share Posted November 17, 2022 What he probably meant is the herters ammo is loaded light. You turned up the gas so it will function. NOW your gas is turned up too high for the brass ammo to function correctly. Your bolt is running to fast for the brass ammo. Less gas or more buffer mass should get the thing running with brass ammo. Quote Link to comment Share on other sites More sharing options...
Nja112189 Posted November 17, 2022 Author Report Share Posted November 17, 2022 Thanks for the explanation. I will fine tune with some better ammo. I am using Herters brass softpoint ammo for this weekend to be safe. Quote Link to comment Share on other sites More sharing options...
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