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Quick question about my AR-15.

oddball7465
First off, every round I shoot I can hear the spring in the gun. Is this normal?

Second, how exactly do I get to the gas cylinder? I know how to clean the chamber and the barrel and that's it. I'm shooting reloads so I'm a bit scared of gumming up the gas cylinder.
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Comments

8 comments

Date Votes
  • fordsix
    you can hear the spring in your ear...no gas cylinder just a port in the front sight..get some pipe cleaners that are made to clean AR15 gas tubes they are about a foot an a half long
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  • asphalt cowboy
    First we need to determine whether you have a piston gun or gas tube. What make/model gun do you have?

    I've never dealt with the piston guns, but seven years as an Army small arms repairer gives me some knowledge of gas tubes.

    Unless you're getting an excess of carbon from your ammo I wouldn't worry about plugging the tube. The main thing is to keep the carrier key and bolt gas rings clean. It would take seriousely filthy ammo to plug a gas tube.
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  • Laredo Lefty
    If the recoil spring noise bothers you, you can put a light coat of grease on it to quiet it down.

    The gas cylinder on a gas "tube" gun is in the bolt carrier. Remove the carrier from the gun, remove the key from the left side of the carrier that holds the firing pin in place. Tap the rear of the carrier on your work bench and the firing pin will fall out the back. You can then remove the pivot pin and bolt from the bolt carrier. Clean the inside of the carrier where the piston rings engage the piston area. Clean and lube the 3 gas rings that you will see on the rear part of the bolt.
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  • David Nunn
    Shoot without hearing protection. You won't be able to hear the buffer spring.
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  • dfletcher
    The standard AR stock amplifies the "swoosh" noise. There are pneumatic buffers that don't use a spring, that eliminates the noise. I have a few ARs and the ACE stocks are pretty good eliminating that noise. They're foam covered and since the buffer tube isn't housed inside a stock, cuts down on the noise.
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  • quickmajik
    quote:Originally posted by nunn
    Shoot without hearing protection. You won't be able to hear the buffer spring.


    I can when shooting an A2 stocked gun..

    There is nothing to be done about t he sound oddball.. As to cleanng the "gas tube" as there is no cylinder..

    Otis makes a flex brush specifically designed for cleaning the gas tube, alittle hoppes # 9 on the brush tip and thats all that needs to be done.

    http://www.midwestindustriesinc.com/index.cfm?fuseaction=category.display&category_id=145
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  • beantownshootah
    quote:Originally posted by oddball7465
    First off, every round I shoot I can hear the spring in the gun. Is this normal?

    Yes.

    quote:
    Second, how exactly do I get to the gas cylinder? I know how to clean the chamber and the barrel and that's it. I'm shooting reloads so I'm a bit scared of gumming up the gas cylinder.

    You mean the gas tube?

    Under ordinary use you don't have to clean this, but if you want to (or need to for some reason) you can use special pipe cleaners designed for this purpose.

    If it ain't broke, don't fix it.
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  • 511pe
    Beantownshootah is right-on. As far a lubing gas rings, your wasting your time. A light film of oil is need to prevent corrosion on them. It may not affect much if you fire 5 shots or so but the blow back gasses will eventually remove the oil. Grease is a bad idea, nothing worse than carbon lead gas soaked snot flying around. Gas rings & gas tubs are parts that wear and when they do it reduces the gas pressure within the bolt carrier assembly. By the time your tube wears out rest assured it will not be clogged if you never clean it. It takes a lot to make the impingement system clog up. If you don't believe me, try adjusting down an adjustable gas block until the bolt fails to open and you'll understand how much it takes.
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