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Thread: New AR owner, few questions

  1. #1
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    New AR owner, few questions

    I have a ruger sr-556 and I am finding metal shavings in my trigger assembly. I did replace the stock trigger with a Chip McCormick and like the feeling, however, I think the bolt is causing some metal to deteriorate. Are bolt ar's common for this, or is something wrong?

    Also, I have a aimpoint m3, I plan to put a 3x magnifier on the rifle, but I do not have one now. Should I move it towards the end of the rifle or keep it close to the back of the upper? I do not want to have to re-sight the rifle with or without the magnifier. Also, is the twist off or spring to the right of the scope a better mount? I like the advantages of both, but hate to get that magnifier snagged on a something when I am chasing zombies.
    Last edited by Hotsauce; 04-05-10 at 14:17.

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    Anyone? Beuller.........Beuller?

  3. #3
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    can you take and post a pic of the shavings? are they silvery or coppery? are you finding gouges/high wear marks on any parts, like the inside of the upper receiver?

    as to the optic.. most guys prefer to keep their field of view as open as possible, and stick their RDSs as far forward on the receiver as possible. with a good cantilever mount, you should have plenty of room for the magnifier.

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    Carrier tilt? Check inside your buffer tube.

    ETA: That's the piston rifle right?
    Last edited by JonnyVain; 04-07-10 at 17:18.

  5. #5
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    Quote Originally Posted by JonnyVain View Post
    Carrier tilt? Check inside your buffer tube.

    ETA: That's the piston rifle right?
    good call... first thing to look at, with a piston. my lack of piston gun knowledge shines brightly.

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    I already cleaned it, so the shavings are gone. But it does look like they are coming from the buffer spring area. It is shaved down. I went to Rugers website and it seems that they think this is normal. How the hell is metal shavings normal? It is like Ford telling me my new diesel will experience a new break in period with metal and oil on the ground.

    Is this common for piston guns?

  7. #7
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    yes, yes it is.

  8. #8
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    If it's shaving from the bottom front edge of the buffer tube it is most likely carrier tilt. There have been many discussions on the different sites and this one too concerning this issue. Some of the SR556's suffer from it and some don't. I would definitely send it back to Ruger, the couple of cases I've seen do not get any better, the condition continues to deteriorate.
    "This is 2012. The world is going to end this December and people are still trying to debate the merits of piece of shit, cost cutting crap AR's. Really?"-Iraqgunz

    "You live more in 5 minutes on a bike like this going flat out than some people live in their lifetime." - B. Munro

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    I sent an email to Ruger and they basiclly told me to go away in a nice way. Are they serious? They said that this is normal and there is no concern at all. Zombies are on the way, what will I do if my AR fails me?

  10. #10
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    were i to go piston, i'd probably ramp and lap the bottom side of the rear of the carrier. i have to wonder why the HELL piston manfers aren't already doing this.

    the other option, which might not be an option at all, as i have no clue as to availableness, is Seth Harness's anti-tilt buffer... Seth is a member here, perhaps PM him and see what the staytus is on that.

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