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Posted: 8/8/2015 11:44:01 AM EDT
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So....
I got my AUG a month or so ago and today took it out to the gun club to zero the optic and shoot it for the first time. I had disassembled it and lubed it and I'm sure I screwed something up reassembling it, because... I had to manually cycle it after every shot, it fired fine (love the solid minimal recoil impulse, best bullpup I've ever shot), ejected the empty case fine, but the bolt was not cycling after each shot. I did this for nearly thirty rounds. At round 30 I could no longer pull the charging handle back and the bolt looks to be about half an inch back but I can not move it any further. I'm going to strip it apart and disassemble it and try to figure out where I went wrong reassembling it. At least I'm assuming it is a reassembly issue. Anyone experience this problem? |
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Quoted:
The gas regulator should be at the first circle... http://www.shootingillustrated.com/media/638610/W7163SI-3321m.jpg This. GBM4 you have it on grenade setting. There are actually 3 settings, with the grenade launch setting being 180 degrees off. At first glance to a new shooter, it will look correct, it's not. Take a look at the photo and make sure the top of the twist cap is as pictured, and not upside down. |
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So...comparing my regulator position to the one in the photo...looks this is the cause of the problems! Duh. http://i1317.photobucket.com/albums/t637/FMJ1911/regulator_zpsilfuekij.jpg Yep you had it set on single shot grenade. Time to strip it down and inspect/clean. |
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So, the grenade setting is intended to basically block gasses leaking out of the barrel to get the most pressure behind the launch of the grenade for maximum distance, right?
I got it stripped apart now and am giving the gas piston and assembly a good scrubbing before reassembling. |
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Quoted:
I'll let others confirm, but I don't think that makes any sense. Quoted:
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This would be the quietest setting using a suppressor, correct? Thanks I'll let others confirm, but I don't think that makes any sense. Action noise on grenade is zero. Escaping gas noise is zero. This would be a single shot but quieter. |
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So the gas cylinder was on position 2 that is the adverse setting it should have fired normally, position 1 is normal didn't see a "grenade setting" in the manual sounds like crappy ammo maybe either way here is the link to the manual the only malfunctions I get were operator induced sounds like something not installed right.
https ://www.steyrarms.com/fileadmin/user/pdf/AUG_A3_SA_USA_Manual. pdf |
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Quoted: So the gas cylinder was on position 2 that is the adverse setting it should have fired normally, position 1 is normal didn't see a "grenade setting" in the manual sounds like crappy ammo maybe either way here is the link to the manual the only malfunctions I get were operator induced. https://www.steyrarms.com/fileadmin/user/pdf/AUG_A3_SA_USA_Manual.pdf In the OP's first pic he has it in the 'GR' setting |
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Quoted:
So the gas cylinder was on position 2 that is the adverse setting it should have fired normally No, look closer - he's aligned the "back" of the plunger with the "Adverse" hole, not the "front" as in the other pictures. I'm still a bit confused as to why OP would have difficulty cycling the bolt by hand though? I also read his original posting to mean the gun automatically ejected the fired casing, when I thought GR position sent NO gas to the piston and thus wouldn't cycle the gun at all. |
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Quoted: I'm still a bit confused as to why OP would have difficulty cycling the bolt by hand though? I also read his original posting to mean the gun automatically ejected the fired casing, when I thought GR position sent NO gas to the piston and thus wouldn't cycle the gun at all. Clarification: There was NO cycling of rounds. I did manually have to cycle everything. I was able to shoot individual rounds, until I reached round thirty, at which point I think I had some kind of jam preventing further cycling of the bolt. When I got it home, and field stripped it, the round fell out of the mag well once the bolt assembly came free. Each round fired, but I had to manually cycle it to eject the spent casing and chamber a new round. So, I said to myself, "At least it is firing, which means the bolt assembly is working, and it is ejecting." The other thing that happened when I went to disassemble the weapon I could not get the trigger group out because the trigger was not cocked, and the striker was straight up and down and I could not get it out, so I had to manually pull that down, into cocked mode to get the trigger group out I will not know until I'm back at the range if things are well now, but I strongly suspect the regulator being bassacwards is and was the issue. |
| Hard to believe that the factory would send out an Aug with the gas setting in the wrong position. I've had 3 different Steyr Augs including my current M3 and never had the factory do that. Nor have I ever heard of any other Augs come that way. Is this the new VLTOR Aug? MIne is a Sabre Defense and the previous ones were pre-ban Steyr. |
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Quoted:
Hard to believe that the factory would send out an Aug with the gas setting in the wrong position. I've had 3 different Steyr Augs including my current M3 and never had the factory do that. Nor have I ever heard of any other Augs come that way. Is this the new VLTOR Aug? MIne is a Sabre Defense and the previous ones were pre-ban Steyr. Quoted:
Hard to believe that the factory would send out an Aug with the gas setting in the wrong position. I've had 3 different Steyr Augs including my current M3 and never had the factory do that. Nor have I ever heard of any other Augs come that way. Is this the new VLTOR Aug? MIne is a Sabre Defense and the previous ones were pre-ban Steyr. I think your answer is here: I had disassembled it and lubed it and I'm sure I screwed something up reassembling it, because... |
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Quoted:
Hard to believe that the factory would send out an Aug with the gas setting in the wrong position. I've had 3 different Steyr Augs including my current M3 and never had the factory do that. Nor have I ever heard of any other Augs come that way. Is this the new VLTOR Aug? MIne is a Sabre Defense and the previous ones were pre-ban Steyr. Totally my fault, not a factory issue. Just reassembled it incorrectly. Stand down from general quarters. |
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Quoted:
So, the grenade setting is intended to basically block gasses leaking out of the barrel to get the most pressure behind the launch of the grenade for maximum distance, right? I got it stripped apart now and am giving the gas piston and assembly a good scrubbing before reassembling. It's actually to protect the action. Launching a gernade has a different dwell time and pressure curve so if the gas system wasn't cut off it would overgas the action leading to premature wear and/or flat out break something. That's why countries that were big on rifle gernades put gas cut offs on their semis aka mas 49/56, yugo Sks and some of their aks, and why the US in wwII issued some 03 spring fields just for launching rifle gernades in WWII. |
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UPDATE
UPDATE I have to admit when I raised the AUG for the first shot today, I was nervous, simply because I hoped that the problem was simply screwing up with how I set the gas regulator. I took my first shot and then.....bingo....next shot was flawless. I blew through nearly 200 flawless round after that. All is well. Many, many thanks to those who helped work through this self-induced failure. The AUG is awesome, by the way, a very flat and solid recoil impulse. LOVE IT. I blew through 200 rounds of Wolf "Gold" ammo...with no issues. And now you know, the rest of the story. |
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