Had my first AR15 failure

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[ARCHIVED THREAD] - Had my first AR15 failure

DrakeTR4 Joined Mar 2015 Posts 729 EE Offline PA, USA	Posted: 8/23/2017 10:59:18 AM EST At some point the lug broke off, but remained in the barrel extension. Bolt cycled, but the broken lug prevented it from going into battery. Click, no bang, end of range trip

Pariah762 Joined Apr 2017 Posts 46 EE Offline SC, USA	Posted: 8/23/2017 11:04:41 AM EST How many rounds? What bolt?

DrakeTR4 Joined Mar 2015 Posts 730 EE Offline PA, USA	Posted: 8/23/2017 11:31:53 AM EST Quote History Originally Posted By Pariah762: How many rounds? What bolt? View Quote I wish I was that OCD and kept track Bolt was MPI'd so not a crap one.

TXLineman Proud Deplorable Joined Jan 2016 Posts 1803 EE Offline TX, USA	Posted: 8/23/2017 11:52:13 AM EST Start carrying a spare bolt in your grip. I keep a bolt, gas rings, cotter pin, & firing pin in my grip. Murphy shows up at the worst times. RTB has them $39.99 today NIBX
	Build That Wall Mr.Trump

rfdillon Joined Apr 2007 Posts 18 EE Offline TX, USA	Posted: 8/23/2017 12:31:01 PM EST Do you have a link to RTB? And would I have to get a gunsmith to check the headspace before using the spare bolt?

DrakeTR4 Joined Mar 2015 Posts 731 EE Offline PA, USA	Posted: 8/23/2017 1:29:13 PM EST [Last Edit: 8/23/2017 1:31:56 PM EST by DrakeTR4] Quote History Originally Posted By TXLineman: Start carrying a spare bolt in your grip. I keep a bolt, gas rings, cotter pin, & firing pin in my grip. Murphy shows up at the worst times. RTB has them $39.99 today NIBX View Quote ~~RTB?~~ Ah, RightToBear.com

rfdillon Joined Apr 2007 Posts 19 EE Offline TX, USA	Posted: 8/23/2017 1:38:36 PM EST Thanks!

Dano523

Courses avec des ciseaux.

Joined Mar 2001
Posts 22488
EE Offline

USA

Posted: 8/24/2017 10:47:23 PM EST

[Last Edit: 8/24/2017 10:47:56 PM EST by Dano523]

Quote History

Originally Posted By DrakeTR4:

Bolt was MPI'd so not a crap one.

View Quote

MPI will only pick up if there a fracture crack in the metal, not if the metal was not heat treated, the tempered correctly so the metal was not too brittle isntead (what was the problem and why the bolt lug sheared off.

If you get a hold of the bolt manufacturer, they will send you a replacement bolt for free. Hence the problem was the bolt was not heat treated, then tempered correctly, leaving the metal too brittle in the end.

Posted By PlaymoreMinds:

'Twas not the <cough> sweet and innocent <cough> PlaymoreMinds...

<---skips away in frilly skirts to Candyland, leaving gutters and snorkels FAR behind.

[ARCHIVED THREAD] - Had my first AR15 failure

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