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Heating Difference w/Heavy Barrel?

Discussion in 'General Firearms Forum' started by glockbanger, Aug 21, 2012.


  1. glockbanger

    glockbanger
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    How many more shots can you shoot in a similar amount of time shooting a heavy barrel vs a standard barrel without it heating up too much?
     

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  2. Travclem

    Travclem
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    There are way too many variables to give an answer. How heavy/light of a barrel? What caliber? how hot are the loads? ambient temp? shot interval? How hot is too hot (just accuracy loss or permanently damaging the barrel?)?

    I don't think you will find an absolute number but remember, the longer it takes to heat up, the longer it takes to cool.
     

    #2 Travclem, Aug 21, 2012
    Last edited: Aug 21, 2012
  3. banger

    banger
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    ^^^This^^^

    Also, consider the fact that when the heavy barrel gets hot...It stays hot longer.

    There really is no such thing as a "free lunch".
     
  4. ithaca_deerslayer

    ithaca_deerslayer
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    Is a heavy barrel less likely to warp? Perhaps because it is stronger?

    I don't know, but my heavy barrel Savage doesn't seem to heat up and walk like my field barrel Savage. Could be many other factors at play.
     
  5. Travclem

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    The extra steel on the heavy barrel acts as a heat sink and keeps the bore cooler for longer.




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  6. orangeride

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    Match guys run heavy barrels because there stiffer. This makes them easier to tune an accurate load. My heavy barrel .338rum will get the barrel real hot is 3 shots, my heavy .223 will shoot all day and not get as hot.
     
  7. samuse

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    I have a SOCOM bbl on one AR with a Daniel Defense rail and it'll stay cool for a couple or three mags if I shoot about a round a second or two.

    I have another AR with a gov't profile bbl with a Knight's RAS and it's almost too hot to hold by the rail after two mags at 1 round a second or two.

    But this is at 100 degrees ambient with the gun baking in the sun.
     
  8. fnfalman

    fnfalman
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    Just remember that a heavy barrel may take longer to heat up, it also takes longer to cool down as well. All that mass acts as a heat sink.
     
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