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AR-10 Problems - Any Ideas?

 
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Lodge2004



Joined: 15 Jul 2007
Posts: 62
Location: Humble

PostPosted: Mon Nov 17,    Post subject: AR-10 Problems - Any Ideas? Reply with quote

Went shooting yesterday with my brother-in-law and he brought his new Armalite AR-10 (.308). It was jamming after every round. It would either stovepipe the empty or try to double feed the next round.

We took it home and I disassembled for him. It was horribly dirty (my in-law hunts but is NOT a gun-guy). He had put a few hundred rounds through it without ever cleaning from the store, so it had some of the original packing grease around bolt carrier.

One thing I noticed was the bolt being very sloppy. On the AR-15, the bolt has a some friction because of the gas rings. There was no friction on the AR-10. Is that normal?

Was thinking there were several possibilities: Underpowered ammo (he was shooting commercial hunting ammo), bad gas rings, bad magazine (although he was using a new Armalite mag), ...

Any ideas?
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Semper_Fi



Joined: 08 Jul 2007
Posts: 471
Location: MENA

PostPosted: Mon Nov 17,    Post subject: AR-10 Troubleshooting Reply with quote

Let Bruce Warner check it out..Bruce is in Houston, inside the 610 loop.

Rico, Cecil - please post Bruce's contact number or get it to Lodge some other way.

Clean and lube the weapon thoroughly then cycle fire it. Militec lube works well on AR-10s. www.militec-1.com

By design and function, gas rings should create noticeable drag on the sealing surface.
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