Stag 10 Gas tube length

Leonidas

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I'm spinning on a Faxon 20" pencil and wondering if a standard AR-15 rifle length gas tube will be long enough? Seems like there is some debate about whether a longer tube is required... if so where do I locate one?
 
The tube length only changes if the gas port distance does - the STAG 10 series utilize most common DPMS LR308 based barrels, which more often than not simply use the same rifle length gas tube as an AR15.

The longer gas tubes come into play on Armalite AR10s, along with aftermarket barrels that have been specifically designed with a longer gas system in mind. If you run across a barrel that states it uses a longer than standard rifle length gas tube, they likely include a gas tube with it.

Your Faxon barrel will use a standard AR15 rifle length tube.
 
The faxon 20 inch barrel uses a rifle length gas tube. Ar 15/10 use the same gas tubes. Shorter than rifle and it won't make it into the reciever, I got sent a wrong length tube once but figured I'd see if it could still work or if I would have to exchange.

Too long and the bcg might not be able to close fully and get caught up on the gas tube.
 
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