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7.62 vs 5.56

Discussion in 'General Firearms Forum' started by NU2GLOCK22, Jan 20, 2012.


  1. NU2GLOCK22

    NU2GLOCK22
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    Which has the better knock down power. Used to own a SKS 7.62x39mm it was a fun shooter. Not sure if I want to go back to a AK SKS or AR platform all input welcome.
     

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  2. Berto

    Berto
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    woo woo

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    THe AK round will hit harder and is generally thought to be the better penetrator of hard barriers. The 5.56 offers a flatter trajectory, generally better quality ammo and better long range abilities. It may not be quite as capable in some ways as the Ruskie, but it does inflict tissue damage well disproportionate to its size.
     

  3. MoneyMaker

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    up to 200 yards 7.62x39 all day,after that up to 500 yards 5.56.In real word situation i would still take the 5.56 due to ammo being lighter to carry
     
  4. nipperwolf

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  5. dakrat

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  6. rgregoryb

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    Sapere aude

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    7.62x51
     
  7. chrisf608

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    Knockdown for what? Hunting?
     
  8. chrisf608

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    Very True.
     
  9. NU2GLOCK22

    NU2GLOCK22
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    I don,t think you can hunt with either of these calibers ????
     
  10. Berto

    Berto
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    woo woo

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  11. chrisf608

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    You can here. 7.62x39 is a larger projectile. I prefer the 5.56 its a good medium range round.
     
    #11 chrisf608, Jan 20, 2012
    Last edited: Jan 20, 2012
  12. CTfam

    CTfam
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    AKs are better than ARs. Glocks are better than 1911s. Mossbergs are better than Remingtons. This has already been discussed.














    :tongueout:
     
  13. NU2GLOCK22

    NU2GLOCK22
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    I am from Oregon will have to check on the laws about hunting with these calls
     
  14. chrisf608

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    And now we are going over it again.:tongueout:
     
  15. chrisf608

    chrisf608
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    Typically anything larger than .22 is legal.
     
  16. Todd00000

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    I know of a USMC Medal of Honor recipient that took 10 DShK rounds to the torso and still killed the VC machine gunner before succumbing to his wounds. Also read “99 Confirmed Kills" you will read a story of Hathcock’s AG putting 10 NATO 7.62 rounds into a VC with no effect. Hathcock had to make a head shot. People need to educate themselves on all the pros and cons before bad mouthing the M4 and 5.56.

    Did you know the US Army Rangers don’t like the SCAR 7.62. It doesn’t fill a need and the recoil is so bad that only one scope will work on it, they were breaking ACOGs on the zero range. US Army Rangers like the 5.56 with the M4 and M249 and use the 7.62 in the M-110 and M240B Light.

    The below article is good and shows the pros and cons of larger calibers.
    http://www.marinecorpstimes.com/news..._ammo_031010w/


    Brig. Gen. Michael Brogan, commander of Marine Corps Systems Command, told Marine Corps Times in mid-February that “there’s a long-going argument about the stopping power of 5.56 in general.” But he said even Marines don’t always fall after they’ve been shot by insurgents with multiple 7.62mm rounds, citing Navy Cross recipient Sgt. Maj. Brad Kasal, who was hit with seven 7.62mm rounds in Iraq in 2004 but survived and kept fighting.

    “Does that mean that 7.62 rounds don’t have sufficient stopping power?” Brogan asked about Kasal’s actions. “I submit the answer is no. If there had been a central-nervous shot, it might have dropped him. The same is true with 5.56 ammunition. Location is more important than stopping power.”


    Read the FBI report.
     

    Attached Files:

    #16 Todd00000, Jan 20, 2012
    Last edited: Jan 20, 2012
  17. crazymoose

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    There's "dense" cover and "hard" cover. The 7.62x39 will go through wood or cinderblock better, but the 5.56 has the edge for hardened steel, body armor, etc.

    As far as "hits harder," look at two of the best loads in each caliber:

    Hornady 123 grain TAP in 7.62x39
    [​IMG]

    Hornady 75 grain TAP in 5.56
    [​IMG]

    Pretty close, with a slight edge going to 5.56. For hunting, where deep penetration and retained weight are desirable, it's 7.62x39 all the way. Both rounds are good for certain applications, and both will certainly do the job in social situations. People get fixated on the perceived innate power of a .30 caliber round, though, and really shouldn't. As others have pointed out, there are no 100%, for-sure stoppers. That said, I'm partial to the 155 grain TAP in.308:[​IMG]

    Still, for about half the weight and recoil of the .308, the 5.56 gives you about 2/3 of the permanent wound cavity. Not too shabby. Guys in Afghanistan are taking out threats at 500 yards with some of the heavier 5.56 loads. They do the job.
     
    #17 crazymoose, Jan 20, 2012
    Last edited: Jan 20, 2012
  18. Restless28

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    This is just an AK vs AR thread.

    Knockdown? The AK is basically a 30 and up round 30/30 caliber, semi-auto carbine. The 30/30 has killed millions of deers. The 5.56? Pretty much illegal to hunt deer. IMO, it's cruel to hunt deer with a 5.56 or .223.

    How many wars/conflicts has the AR won? How many has the AK won?

    What's the point of the OP's question?
     
  19. Todd00000

    Todd00000
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    Get some!

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    If ballistic gel had a nervous system this would mean something.
     
  20. A-Train

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    I did NOT know the information that you share above and I'd like to see some links to articles that cover it. Not that I'm doubting you but I know I've read several articles about how the SEALs seem to be fairly happy with the SCAR Heavy and I've seen no articles online or in print that said anything about the Rangers liking or disliking them. If I can find them again I'll will post the links.

    I am personally a huge fan of ACOG's (and have used them overseas on two deployments) and I do find it very hard to believe that the recoil would be bad enough to "break" them on the zero range. I've seen ACOG's on .50 caliber rifles without having that problem.

    I think that 5.56 is a perfectly acceptable mid-range (0-400m) round especially in the heavier bullet weights. The 7.62/.308 is much better at reducing most cover to concealment, in my experience, but with the weight difference in the rounds I'll take more bullets in 5.56 to less in 7.62. Of course I was a tanker so I have a strong preference to 120mm but that's a bit hard to hump around all day with on foot. :rofl:
     
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