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U.S. Army Patents New M4A1 Rifle Barrel

Discussion in 'Military Surplus' started by RugersGR8, Jul 23, 2020.

  1. RugersGR8

    RugersGR8 Sharpshooter

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  2. RugersGR8

    RugersGR8 Sharpshooter

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    https://www.thearmorylife.com/forum/threads/us-army-invents-new-heavy-barrel-for-m4.3373/
    US ARMY INVENTS NEW HEAVY BARREL FOR M4

    Thread starterxdman
    Start date Friday at 12:33 PM

    &

    https://www.firearmsnews.com/editorial/us-army-develops-new-fluted-barrel-for-m4-carbine/378850
    US Army Develops New Fluted Barrel for M4 Carbine
    C.P.T. Danrit - July 10, 2020
    Two engineers at Picatinny Arsenal have developed a patented spiral fluting for M4A1 barrels to dissipate heat faster and prolong cyclical firing.
     
    Last edited: Jul 23, 2020
  3. Seadog

    Seadog Sharpshooter

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    indpndt74 likes this.
  4. Snattlerake

    Snattlerake Sharpshooter

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    Dumbasses, da rifling goes onna da inside.
     
  5. clintbailey

    clintbailey Sharpshooter

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    Screw on accessories coming next...
     
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  6. Profreedomokie

    Profreedomokie Sharpshooter

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    Do you think an old Tommy gun barrel might have inspired them ?
     
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  7. Glock 40

    Glock 40 Problem Solver

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    Interesting that you can patent spiral fluting since lots of shops do it. I wonder what is so special about theirs.
     

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