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Thread: M4 profile 14.5", fluted barrel. Who makes em?

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    M4 profile 14.5", fluted barrel. Who makes em?

    I trying to find a 14.5" M4 profile heavy (Not true M4) 'Fluted' barrel. I do know of manufacturers that make them but I'm looking for more for comparisons. Please let me know what your opinions are of any manufacturers you post.

    I really don't want to get into the whole "Opinions on fluted/plain barrels" because opinions vary and it's a personal preference.

    Thank you very much in advance for your help.

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    what you mean is a Medium contour M4 barrel right? then fluted under the handguard? this is a nice idea.
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    Quote Originally Posted by lanceriley View Post
    what you mean is a Medium contour M4 barrel right? then fluted under the handguard? this is a nice idea.
    Correct. Fluted all the way out just like the POF's.

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    Did you try searching the site? I remember seeing a photo of one of these somewhere.

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    i think wilson combat did that. though I don't know if there's fluting under the handguard but I remember seeing fluting after the FSB up to the Muzzle device.
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    Bushmaster made some a while back
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    I'm sure they are out there, but don't think they would offer a great advantage.

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    Quote Originally Posted by tylerw02 View Post
    I'm sure they are out there, but don't think they would offer a great advantage.
    I agree. Fluting to me offers 3 advantages, weight reduction, increased surface area for better heat transfer properties, while maintaining barrel rigidity and resistance to warping.

    OK, now keep in mind what the purpose of an M4 is. We're not talking about some crazy bench rest rifle capable of .2" groups at 100 yards. It's a general purpose battle rifle. That the barrel is very short and what minimal effect form barrel warping that could take place would be "lost in the noise" so to speak.

    I think you will see more advantage in weight savings by going with a Gov't profiled M4 barrel or even better a Colt .625" "pencil" barrel. As far as heat dissipation I guess you could see some advantage with fluting, but honestly M4 barrels from quality manufacturers are designed to withstand sustained rates of fire which few if any civilians could realistically replicate.

    I remember a member who was banned from this site named Rallysoob had a fluted M4 barrel. I don't know where he got it from.

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    Before paying EXTRA to have a fluted barrel, consider the following:


    -Fluting will reduce weight only a few ounces anyway.

    -The increased surface area over a round barrel of same contour is pretty minimal.

    -A round barrel of the same diameter is MORE rigid than a fluted barrel of the same outside diameter.

    -Many gunsmiths and machinists believe that fluting must be done before drilling the bore and before the rifling process. Few (if any) companies follow this process.

    -Many believe the process of fluting can create stress.


    Very rarely will you even see a bench rest shooter shooting a fluted barrel these days, though there are a few out there. I think it has officially been chalked up to marketing hype by companies that can spend $10 fluting a barrel and charging $100 extra for it.

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    Quote Originally Posted by Slacks Out View Post
    I trying to find a 14.5" M4 profile heavy (Not true M4) 'Fluted' barrel. I do know of manufacturers that make them but I'm looking for more for comparisons. Please let me know what your opinions are of any manufacturers you post.

    I really don't want to get into the whole "Opinions on fluted/plain barrels" because opinions vary and it's a personal preference.

    Thank you very much in advance for your help.
    I know you don't want to debate this, but what is it that you believe hte fluting on a barrel like this offers?

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