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Thread: how to choose a carbine buffer...

  1. #1
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    how to choose a carbine buffer...

    hi guys
    i shoot .223 ammo in my 10.5 OLy
    with standard buffer.

    i boght a h2 and h3 buffers...and tryed tonight..few ammo..

    in my idea..heavier buffer should reduce felt recoil...
    but.. when i used the h3... well.. i felt more recoil than with the standard buffer...
    so my question..
    is my idea right?
    wich buffer is the right one??

    last question..
    could i have damage using a heavier buffer?

    thanks
    andy

  2. #2
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    I'd probably say the one that came with it unless there is a deficiency you are attempting to correct. Recoil is filed under 'Symptoms of operation'.

  3. #3
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    there was a thread on here somewhere, couldn't find it, that talks in depth about the "correct" buffer for what you need.

    One of the discussions was somewhere along the lines of a heavier buffer moving slower but obviously having more force due to the weight, whereas a lighter buffer would have less weight ,but being "snappier" for lack of better words.
    "Doc, can you check out this thing I got?"
    -Every Marine, ever.

  4. #4
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    holy terrible information being put out here. Really, trying to reduce felt recoil with a buffer, please. Get a .22lr conversion if thats your goal.

    A buffer has zero to do with "felt recoil" and all to do with making your gun run correctly. It has a lot to do with where your gun is ejecting the brass. If the gun is ejecting the brass in the right place, then its the right buffer. You need to look at the ejection pie chart and see what you can do to your gun to make it run correctly. If its short stroking you can also use the chart to determine a fix.

    If the gun was ejecting brass correctly with a carbine buffer than that was the right buffer for the setup. If its not running right, change things up, but for the love of god, dont do it to "reduce felt recoil".

  5. #5
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    wasn't giving any technical advice, was merely quoting a previous discussion on M4C. And I agree with you, its very silly to change buffers to try reduce recoil.

    Quote Originally Posted by rjacobs View Post
    holy terrible information being put out here. Really, trying to reduce felt recoil with a buffer, please. Get a .22lr conversion if thats your goal.

    A buffer has zero to do with "felt recoil" and all to do with making your gun run correctly. It has a lot to do with where your gun is ejecting the brass. If the gun is ejecting the brass in the right place, then its the right buffer. You need to look at the ejection pie chart and see what you can do to your gun to make it run correctly. If its short stroking you can also use the chart to determine a fix.

    If the gun was ejecting brass correctly with a carbine buffer than that was the right buffer for the setup. If its not running right, change things up, but for the love of god, dont do it to "reduce felt recoil".
    "Doc, can you check out this thing I got?"
    -Every Marine, ever.

  6. #6
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    Basic breakdown.

    CAR length gas system? At least an H buffer. CAR will run great with .223 pressure ammo but it's a little light for high round counts with 5.56mm NATO pressure ammo and will accelerate wear.

    If a gas port larger than .062" or using a sound suppressor you might need an H2 or heavier.
    Chief Armorer for Elite Shooting Sports in Manassas VA
    Chief Armorer for Corp Arms (FFL 07-08/SOT 02)

  7. #7
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    Take the buffer out completly, this helps felt recoil by 80%.....
    FFL/SOT

    Chuck Norris has to maintain a concealed weapon license in all 50 states in order to legally wear pants.

  8. #8
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    guys
    im a newby...
    if anyone tell me things , or teach me... how can i know??

  9. #9
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    btw..
    does a short barrel using a heavier buffer?

  10. #10
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    Quote Originally Posted by andy_ita View Post
    btw..
    does a short barrel using a heavier buffer?
    Yes generally so. Typically the shorter the barrel gets the larger the gas port gets. The CAR length 14.5" and 16" barrels are already over gassed. Making the barrel shorter and thus the gas port larger compounds the problem. To ensure that the rifle doesn't run too fast a heavier buffer is needed to slow the cyclic rate down.
    Chief Armorer for Elite Shooting Sports in Manassas VA
    Chief Armorer for Corp Arms (FFL 07-08/SOT 02)

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