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Thread: AR Pistol Help

  1. #51
    On Target

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    An adjustable gas block wont do anything to help this issue. You can either lighten up the spring, or take a weight out of the buffer. This is pretty common with the 300 BLK. Some of these AR's simply won't cycle subs reliably unsupressed, no matter what you do. But generally, if you lighten the spring, and/or remove one of the weights, it will solve the issue.
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  2. #52
    On Target

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    I just realized this thread was several weeks old. I'm speaking from experience, I'v never run across an AR that I could not tune with springs and weight. One way or the other, that is the only correct way to tune a gas powered firearm. Once you get it tuned correctly, then you add an adjustable gas block as a backup. And adjustable gas blocks really, in my opinion, are only for shooting suppressed. You want the firearm to be as reliable as possible, and that's done with weight and tension. I run superlative arms blocks on everything I shoot suppressed. Again, IMO, they are the best thing going. When tune correctly, they work as advertised. They help keep the gas and powder out of your face. Running that in tandem with a slotted charging handle works wonders for me. I have several SBR's that I run suppressed, and pretty much all of them have buffers full of tungsten, or H3's, and Sprinco heavy springs, along with the Superlative Block. Once you get the firearm cycling perfectly, you can adjust that block to the point where it will port much of the excess gas forward and keep it out of your face. They are legit! Also, I would never drill on a high end barrel if you don't have experience or the knowledge, or the information and equipment in front of you to do it safely. I'd just send the barrel back and exchange it. That could pose some danger to the end user.
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  3. #53
    Marksman

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    Right now I have it running pretty well unsuppressed.
    SASS #84934

  4. #54
    Marksman

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    Quote Originally Posted by whbonney26 View Post
    Right now I have it running pretty well unsuppressed.
    The only thing I would be wary about at this point is feeding issues down the road due to the lightweight carrier and spring. I don't know what your firing schedule or maintenance schedule looks like.
    *Disclaimer: Not on the vetted list. Defer all serious inquiries to the resident experts.*

  5. #55
    Marksman

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    Quote Originally Posted by DAVE_M View Post
    The only thing I would be wary about at this point is feeding issues down the road due to the lightweight carrier and spring. I don't know what your firing schedule or maintenance schedule looks like.
    I shoot a lot but not sure how much use this one will get. Time will tell. I had fun shooting it the other day and it has its place with me for sure now. I will run it till a possible problem arises and then I will address that problem I guess. It wont be a self defense gun at this point. Just a fun range gun and possible hog gun since I like its compactness. First things first.....I want to put in some serious time behind this gun before I decide what its main use will be.

    I will continue to research and explore buffer weight/spring combos also so I can better understand what is needed.
    SASS #84934

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