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Thread: M855A1 with H6 buffer?

  1. #1
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    M855A1 with H6 buffer?

    To those in the know,

    I was able to scrounge up an H6 buffer and a new action spring from a CMRE yard.

    My rifle is currently running a standard H buffer, and my brass is ejecting between the 1-2 o clock. I've replaced the extractor and spring with the BCM upgrade kit, and I want to know if there are any members here running H3s with 14.5" carbine gas setups. The A1 is a ridiculously hot load, and I'm thinking that since the H6 weighs the same as the H3 just with six weights instead of three, it might work.

    I won't be able to get an H2, that's already out of the question. Any idea how well the H3s work in carbines?

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    With the 3 steel weights inside a carbine buffer, and the 3 tungsten weights inside a H3, the roll pins can be driven out and you can make any combination of weights to make your own buffers, giving you the option of having carbine, h1, h2, and h3.

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    What is an H6? Carbine sized buffer? If so... yes, I'd think that would help with that goofy ammo.

    Damn.. I was just reading a write up on that a1 ammo. Absolute worst thing they could have done.... come up with a load HOTTER for the m4??? Just dumb.
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    The H6 is a CAR length buffer with 6 tungsten "half weights" inside.

    It is probably as good or better than a regular H3.

    With extra hot M855A1, it's likely to work very well together.

    As was mentioned, if the H6 happens to be too heavy, you should be able to swap a pair of half weights for a steel weight and make an H4/2.
    Last edited by Clint; 05-25-14 at 15:58.
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    Quote Originally Posted by GTF425 View Post
    To those in the know,

    I was able to scrounge up an H6 buffer and a new action spring from a CMRE yard.

    My rifle is currently running a standard H buffer, and my brass is ejecting between the 1-2 o clock. I've replaced the extractor and spring with the BCM upgrade kit, and I want to know if there are any members here running H3s with 14.5" carbine gas setups. The A1 is a ridiculously hot load, and I'm thinking that since the H6 weighs the same as the H3 just with six weights instead of three, it might work.

    I won't be able to get an H2, that's already out of the question. Any idea how well the H3s work in carbines?
    I ran an H3 in my BCM 14.5" middy. You'll be just fine with your carbine using the H6.

    Also, what lube are you using?

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    The H6 weighs 5.15 ounces -- same as a standard rifle buffer. H3 is 5.40 ounces, H2 is 4.60 ounces.
    Last edited by carolvs; 05-25-14 at 20:01. Reason: context
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    Quote Originally Posted by GTF425 View Post
    To those in the know,

    I was able to scrounge up an H6 buffer and a new action spring from a CMRE yard.

    My rifle is currently running a standard H buffer, and my brass is ejecting between the 1-2 o clock. I've replaced the extractor and spring with the BCM upgrade kit, and I want to know if there are any members here running H3s with 14.5" carbine gas setups. The A1 is a ridiculously hot load, and I'm thinking that since the H6 weighs the same as the H3 just with six weights instead of three, it might work.

    I won't be able to get an H2, that's already out of the question. Any idea how well the H3s work in carbines?
    Why did you replace all those things? Were you having extraction or ejection issues or were you just unhappy with where the brass was landing.......Cause that matters little to nothing, you need to just ignore that whole time clock pie chart of ejection. Also why no H2?
    Last edited by sinlessorrow; 05-25-14 at 22:36.
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    Are you current .mil? Where are you getting your A1 stuff if not?

    If .mil, maybe try the ammo out in a 20 inch barrel if possible?

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    Slight veer - H6 buffer is available commercially here:

    http://damageindustriesllc.com/produ...fer-carbine-h6

    I got one a month or so ago, and was surprised to find that the internal weights don't seem to move at all, unlike the sliding weights on all other carbine buffers I've used. It has the correct weight and is marked as H6.

    @GTF425: does your H6 buffer, which I assume is an unquestioned military supply chain item, have weights that move around internally like carbine and H3 buffers, or does it feel like basically a solid piece?
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  10. #10
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    Quote Originally Posted by sinlessorrow View Post
    Why did you replace all those things? Were you having extraction or ejection issues or were you just unhappy with where the brass was landing.......Cause that matters little to nothing, you need to just ignore that whole time clock pie chart of ejection. Also why no H2?
    I replaced them because I was having chronic FTE issues in January at Ft Polk. Swapped them out less than 1,000 rounds ago.

    No H2 because there's no way in hell I'll find one where I am. I was surprised to find any M4 parts at all.
    Last edited by GTF425; 05-26-14 at 08:12.

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