SteelonSteel Posted February 24, 2022 Report Share Posted February 24, 2022 Have an Armalite AR-10. Noticed the gas rings were wore out, the bolt would just fall out of the carrier. I removed the old McFarland type ring and tried to replace with three conventional rings. However, I can only insert two rings into the ring grove on the bolt The rings measure 0.021 in thickness. The grove on the bolt measures 0.059. So, only two conventional rings will fit. What thickness are the conventional rings supposed to be? How wide is the ring grove on the bolt supposed to be? Can I run it with only two conventional rings? (It's tight in the carrier like I think it should be). MUST I use a McFarland ring only, on the Armalite AR-10? Any suggestions? Thanks in advance!!! Quote Link to comment Share on other sites More sharing options...
Rsquared Posted February 24, 2022 Report Share Posted February 24, 2022 The 10 is designed to run with just the 1 gas ring. They're fairly inexpensive (around 6 bucks from Armalite), and they've got over 230 of them in stock. Why try to run something that wasn't designed for the part? Just my opinion though. Quote Link to comment Share on other sites More sharing options...
SteelonSteel Posted February 24, 2022 Author Report Share Posted February 24, 2022 Thanks Rsquared, that is what I will do. The shipping cost more than the part, but will see if they have something else to go along with it. Thanks again! Quote Link to comment Share on other sites More sharing options...
jtallen83 Posted February 24, 2022 Report Share Posted February 24, 2022 (edited) 26 minutes ago, SteelonSteel said: but will see if they have something else to go along with it. Their springs and other small parts are as good they get, they used to sell some nice little kits that had a ring or two in them. And it always pays to call if the site says out of stock. Edited February 24, 2022 by jtallen83 Quote Link to comment Share on other sites More sharing options...
Rsquared Posted February 25, 2022 Report Share Posted February 25, 2022 Oh yeah. You're right Jim. I'm a dumbass for not thinking of that. That would be a better way to go SteelonSteel. Although they don't show any field repair kits in stock right now. Looks like DSGand Primary Arms don't have any either. That's a good kit to have around anyway. Hell, any spare parts are a good thing to have around. I've got some extra gas rings. If you want, PM me an address and I'll drop one in the mail for you. Quote Link to comment Share on other sites More sharing options...
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