7.62x51 vs. 308

Discussion in 'The Club House' started by Dkerr, Jan 21, 2012.

  1. Dkerr

    Dkerr New Member

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    I am looking at buying a new AR and was just wondering if there is a difference between the two rounds like there is between the 5.56 and 223 round. Do you buy one marked with the NATO round to shoot both 7.62 and 308 or does it matter.
     
  2. Chandler51

    Chandler51 New Member

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    They are not the same. My ArmaLite's manual states it is "dual chambered" and is therefore safe to fire either.

    Get with the manufacturer before you buy, just to be sure.
     

  3. Jpyle

    Jpyle New Member

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    They are not the same and I believe the safe use of the 7.62 and .308 is opposite that of the .223 and 5.56. In other words, you can shoot the 7.62 in a .308 chambered rifle but not a .308 in the NATO 7.62. But please verify that before buying anything...
     
  4. c3shooter

    c3shooter Administrator Staff Member

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    JPyle is correct. The .308 Winchester can safely shoot 7.62 NATO. The reverse is not always true.

    Someone will come along in a minute and tell you they have done that, and nothing bad happened.

    OK- I ran a red light last month, and nothing bad happened. How long do you think I can keep doing that?
     
  5. texaswoodworker

    texaswoodworker New Member

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    The way I understand it is that you can shoot .223 in a 5.56, but you cannot shoot 5.56 in a .223.

    You can shoot 7.62 in a .308, but you cannot shoot .308 in a 7.62.

    Basically, it is better (simpler) to buy a 5.56 and a .308. That way you don't have to worry about this.
     
  6. AcidFlashGordon

    AcidFlashGordon New Member

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    Bingo!


    It's my understanding of all that I've read that the .308/7.62 x 51 issue is just the opposite. The "civilian" round is hotter (higher pressure) than the NATO round, so it's not a good idea to fire a .308 round in a weapon designed and chambered for the NATO round.
     
  7. robocop10mm

    robocop10mm Lifetime Supporting Member Lifetime Supporter

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  8. BlueTurf

    BlueTurf New Member

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    Yep, seen this discussion before.
     
  9. Dkerr

    Dkerr New Member

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    Thanks everyone I will buy the NATO round. :)