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Thread: ?????Chrome lined barrels are less accurate?????

  1. #31
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    Quote Originally Posted by LowSpeed_HighDrag View Post
    Finally, someone says it. Accuracy is hitting your target, pinpoint accuracy is another thing. My chrome lined barrel will shoot just as well as my stainless barrel in a combat situation. Im not a 1 MOA shooter. I use irons and aimpoints. I want to hit my man/coyote/rabbit sized target everytime, wether or not the rounds go through the same hole matters not to me.
    I'd rather them not go through the same hole either in a self defense situation, but hey, that's just me.
    Last edited by Caeser25; 03-15-11 at 21:56.
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  2. #32
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    Quote Originally Posted by lifebreath View Post
    My understanding is that chrome plating of the chamber and bore originated to make the barrels resistant to corrosion and help eliminate stuck cartridges in field & battle conditions for safety reasons. The very minor degradation in accuracy in combat would be inconsequential.

    Here's an interesting insight on the matter from Heckler & Koch on their new MR556A1:

    "Like the HK416, the MR556A1 uses a barrel produced by Heckler & Koch’s famous cold hammer forging process. But in a major departure from its HK416 lineage, the 16.5-inch MR556A1 barrel is not chrome-lined. By using the highest quality steel in the barrel manufacturing process, a long service life barrel that provides superior accuracy can be produced without chroming. According to HK engineers, chrome lining may add to barrel life but it does not contribute significantly to accuracy and can temporarily conceal defects in the barrel profile."
    My understanding is H&K are Nitriding their barrels anyways.
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  3. #33
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    the way that the thread was stating it was that the melonite coated barrels that S&W are making are somehow better than mil spec barrels of other companies. it was just kind of funny to me. any AR that cost 600 dollars has to be a giant piece of shit......just thought i'd share the latest development in mall ninja tech
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  4. #34
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    To answer the first post...

    I think barrel quality is more important to accuracy than chrome lined vs non chrome lined. For example, I would bet that a noveske chrome lined barrel is far more accurate than an olympic arms stainless.

    Secondly, FN makes some pretty darn accurate bolt action rifles that are chrome lined. If this chrome lining screwed up accuracy they wouldn't be able to sell any, and wouldn't have made it standard. The *quality* of the chrome lining has a major role to play in accuracy.

    Third, if your rifle's purpose is for self defense, then you are kidding yourself if you think you will be better off with a barrel that is maybe 1/4 to 1/2 moa more accurate. Will you have time to set up your sandbags and squeeze off that perfect shot in a self defense situation? Or would you rather have the better durability and reliability of a CL barrel?

    Fourth, ask yourself if you are really gonna shoot $1 per round match ammo or carefully crafted handloads through this AR anyways. If you are shooting cheap ammo like the rest of us, you won't notice the minuscule accuracy "degradation" that a CL barrel may or may not have.

  5. #35
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    On the flip side, I would say chrome barrels can be more accurate than people give them credit for, and stainless barrels can be more durable than people give them credit for.

    Secondly, FN makes some pretty darn accurate bolt action rifles that are chrome lined. If this chrome lining screwed up accuracy they wouldn't be able to sell any, and wouldn't have made it standard. The *quality* of the chrome lining has a major role to play in accuracy.
    Couldn't agree more. I wouldn't call one barrel process superior to another. There are fans that will fight to the death of cut, button and CHF barrels. Its not the one singular process that makes a barrel great, but how the manufacturer incorporates all of these things into their product.

    My understanding is H&K are Nitriding their barrels anyways.
    I'm starting to see more and more of this. Hopefully it becomes more mainstream.

  6. #36
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    Quote Originally Posted by ucrt View Post
    .I think it is pretty much common knowledge that for a precision match barrel - don't get CL'd.
    From what I've read, very few matches even take advantage of the SS barrels (ie, shooting out past 300-400 yards). I doubt that most shooters are going to be able to take advantage of the benefits of an SS barrel the way that match shooters do - I know I don't have that level of ability.

  7. #37
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    Quote Originally Posted by rob_s View Post
    Wait, you had an existing barrel chrome lined after the fact? and there weren't any signs of overpressure? What thickness was the chrome lining applied? Didn't this reduce the bore size by twice that thickness?
    P.O. Ackley did tests to see if oversized bullets caused raised pressures. He fired 32 caliber (8mm) bullets through a 30 caliber bore. He found that if he opened up the neck & throat of the chamber, he could fire .323" bullets safely through a .308" bore. The bullets were simply swagged to 30 caliber. What raised pressures to dangerous levels was jamming the .323" bullets into a chamber with a neck sized for .308" bullets. This causes pressure spikes, same as seating a bullet out too far or using a too short leade where the bullet is jammed into the rifling when the cartridge is chambered
    Last edited by MistWolf; 03-16-11 at 08:00.
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