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Thread: Which H buffer for a 20" barrel with collapsible stock?

  1. #21
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    Quote Originally Posted by winfield813@yahoo.com View Post
    OP, are you also having the barrel cut down? you say you are making this a "carbine," and you never clarified whether or not you were simply switching to a carbine stock or also cutting down the barrel.
    I'm keeping everthing the same on this RRA NM rifle, and intend to keep firing stout loads of 77gr bullets. I simply want to take the RRA A2 fixed stock off of this rifle, and put the LMT SOPMOD stock and tube on it.

    This is really not such a rare and terribly unusual configuration. Here is the Colt Canada version of it:




    I'm sure before the Vltor A5 came along, this configuration had worked just fine. I'm just trying to determine which buffer will operate reliably while preventing a rifle length barrel and gas sytem from causing excess battering. I'm leaning with the H2 buffer at this point.


    And please guys, can you just accept it that.....I'M NOT DUMPING MY BRAND NEW SOPMOD stock and tube. If I hear "Vltor" one more time...

  2. #22
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    that'd be a C7A2... and it's got an H3 in it.

  3. #23
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    Quote Originally Posted by VaniB View Post
    And please guys, can you just accept it that.....I'M NOT DUMPING MY BRAND NEW SOPMOD stock and tube. If I hear "Vltor" one more time...
    VLTOR VLTOR VLTOR!!!!

    You can put the Sopmod on the Vltor Tube, City Slicker!!
    "You people have too much time on your hands." - scottryan

  4. #24
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    Interesting that the brass flies forward on that rifle with the Bean stock.
    "You people have too much time on your hands." - scottryan

  5. #25
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    Hmm. I'll have to look into the H3 for my 20" w/UBR stock. Mine currently has just an H buffer and shoots good and soft with the 55 gr load I tested it with, but have fired too few rounds to claim anything.

    Thanks bkb0000 for adding that
    Last edited by MistWolf; 03-25-11 at 15:41.
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  6. #26
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    Quote Originally Posted by bkb0000 View Post
    that'd be a C7A2... and it's got an H3 in it.
    Hmmmm......just when I was settling on an H2, you've got me wondering. You seem know something more then folks like this other one-track minded guy who goes to sleep with a Vltor butt at night.

    Ok....if the Canadian C7A2 operates fine on the lighter stuff.....I wonder now if I should use an H3 for the steady diet of 77 grain loads. It makes makes sense ....... assuming that you're correct that the C7A2 does use the H3 buffer. Just curious; how do you know this about a Canadian AR15 variant?

    The issue now is just trying to make the right choice from the start and avoid tossing about $50 bucks on the wrong buffer and the shipping charges.
    Last edited by VaniB; 03-25-11 at 15:40.

  7. #27
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    Quote Originally Posted by VaniB View Post
    Hmmmm......just when I was settling on an H2, you've got me wondering. You seem know something more then folks like this other one-track minded guy who goes to sleep with a Vltor butt at night.
    The irony is rich. You want to hear what you want to hear... and that's cool.

    You paid for a friggin SOPMOD and the $35 you might spend on an extra buffer is worth losing sleep over? Good luck with your full sized Carbean.
    Last edited by markm; 03-25-11 at 15:51.
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  8. #28
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    By the way... if running a carbine buffer system on a rifle was such a good idea...

    WHY did the Marine Corps research the A5? Why didn't they just put a ****ing carbine stock on their A4s????

    I WONDER?
    Last edited by markm; 03-25-11 at 15:59.
    "You people have too much time on your hands." - scottryan

  9. #29
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    well searching through old threads here on M4C, the consensus seems to be that the C7A2 actually comes standard with an H2, not H3. i'm almost positive i remember reading a TM or similar technical document that said it uses an H3, but i wouldn't want to steer you wrong just because i think something.

    either way... the weapon will likely run with whatever you put in it. people have run billions of rounds with carbine lower/rifle upper guns with every buffer weight made, and probably some they don't make, and had success. but you're going to increase the ODDS of having less troubles with the "correct" weight.
    Last edited by bkb0000; 03-25-11 at 16:00.

  10. #30
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    Canadians use the H2 buffer. Statistically the C7 MRBF is between the M4 and the M16, though you're talking shifts so small it took a large sample to find the trend.

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