Can’t get Stag-10 to work (help!)

CanadianSummers said:
I’ve had the same issue with my stag 10.
Bought it if of EE, took it to the indoor range.
Was shooting federal lake city factory ammo.
NO GO
Lots of failure to feeds
Stove pipes
Failure to eject

Took it home; jumped on the net did some reading...after all the research I checked the gas block it was fine.
It almost feels like the buffer spring is too heavy....
I dunno, after paying $2000 for a semi auto it should be able to fire .308 & 7.62 NATO without issue.
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A friend of mine had similar issues. he ended up getting a few different buffers and buffer springs to try different combination. He ended up having to find different combinations of springs and buffers depending on the ammo he used. He did this through trial and error.
 
Hitzy said:
First, always learn how to fully detail strip, clean, and properly lube ANY new rifle. Packing oil is not a lube and will create all kinds of problems.
I remember a guy on her that blew up his Nork AR15 on the first shot because he took it out of the box and went shooting without any inspection of the rifle.
Nork AR's at the time had oily patches shoved in the chamber and muzzle for corrosion protection.
Give the Stag a full tear down, everything except stuff that's roll pinned. Disassemble, clean, and lube the BCG and everything else that moves. It doesn't need to be dripping wet, but oiled and wiped. Try it again and if there are problems it will be much easier to diagnose.
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This.

Mine came new with a sticky, heavy preservative oil in everything. Out of box the bolt was sticky and tight dry cycling. Stripped and cleaned everything before first firing and could feel big difference dry cycling before first shots fired. It cycled like a champ from first shot.

ARs maybe aren't for everybody. They need more maintenance and cleaning to be reliable.

At least remove the bolt, then soak down the rails, bolt and chamber with action cleaner, and relube before first use. AR rifles like to run wet don't be shy with the lube.
 
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This ^

People should also realise that these rifles are not built to milspec standards. Yes they have a "milspec" trigger, but the rifle is built with competition/sport shooting in mind and has more of a focus on accuracy and repeatability of shot placement. This means tolerances will be tighter, which in turn means parts are going to fit together more snuggly, which also means the firearms needs a bit more love and lube care on the moving parts until the rifle gets broken in.
 
For range trip #3, I oiled the rifle even more than I did for range trip #2, and cycled the action 300 times.

Rifle worked 100% fine, and I’m happy.
 
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Petamocto said:
Similar problems with a brand new Stag 10S.

First time to the range yesterday, and had a stoppage every single round; sometimes no round cycled and sometimes half cycled and jammed by bolt on a 45 degree angle.

Lots of people also telling me it's the gas port as well, which is horrible on a gun this expensive.

I'm in for almost $2500 after tax, and a gun for 1/5 that should work flawlessly out of the box without further work.

I tried two different brand new XCR mags, and the same problems with both. All bulk Federal 7.62 FMJ ammo.

Stupidly I did not bring the OEM mag to the range, but next time I go I'll bring multiple different mags and ammos.

If it continues to not work (ie, gun's fault and not mag or ammo), I don't even want Stag or Arms East to work on it, I just want my money back.

If Stag can't get basic details like a gas block work, I don't want to think about how many other details they got wrong.

I paid a similar amount for my Daniel Defense Mk18, and that gun has ran exactly like it's supposed to.
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For those wondering, the problem seems to have been a rifle length (instead of carbine length) action spring installed at the factory. We have Xpressposted the correct spring to the customer and we expect this to resolve the issue.

For most accurate and quick help with a rifle, we encourage people to contact us first, as we may have knowledge that fix a problem without a mis-diagnosis.
 
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CanadianSummers said:
I’ve had the same issue with my stag 10.
Bought it if of EE, took it to the indoor range.
Was shooting federal lake city factory ammo.
NO GO
Lots of failure to feeds
Stove pipes
Failure to eject

Took it home; jumped on the net did some reading...after all the research I checked the gas block it was fine.
It almost feels like the buffer spring is too heavy....
I dunno, after paying $2000 for a semi auto it should be able to fire .308 & 7.62 NATO without issue.
Click to expand...

If this is a factory gun, contacting us will do better than internet research. Please reach out to us at info@armseast.com
 
We handle all warranty claims on the Stag rifles in Canada. Please contact us at 844-579-0007 and we will be happy to assist in the process.
 
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