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Thread: What buffer are you running in your middie?

  1. #181
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    Quote Originally Posted by markm View Post
    Not sure why someone would wander into Very heavy buffer and spring realm on a middy. Even if you have a suppressor.
    I consider an H2 and blue sprinco heavy. Some people run them. Like on a 0.080 port Noveske I bet it would run especially with a can.

  2. #182
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    Quote Originally Posted by WS6 View Post
    I consider an H2 and blue sprinco heavy. Some people run them. Like on a 0.080 port Noveske I bet it would run especially with a can.
    Ok. H2 is standard in my eyes. H1 on a borderline under-gassed weapon. I don't mess with CS springs at all.
    "You people have too much time on your hands." - scottryan

  3. #183
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    Quote Originally Posted by WS6 View Post
    I consider an H2 and blue sprinco heavy. Some people run them. Like on a 0.080 port Noveske I bet it would run especially with a can.
    Will a heavy buffer alone enhance feeding in adverse conditions like the spring will or just timing?

  4. #184
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    Of course a heavy buffer will help feed within the law of diminishing returns. A heavier buffer in forward motion is going to strip off and chamber a round more reliably than a buffer that's too light.
    "You people have too much time on your hands." - scottryan

  5. #185
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    Quote Originally Posted by markm View Post
    Of course a heavy buffer will help feed within the law of diminishing returns. A heavier buffer in forward motion is going to strip off and chamber a round more reliably than a buffer that's too light.
    Physics-wise, I agree 100%. I was just wondering if text-book carried over to the real world, considering that the heavier buffer is going to return to battery slower.

  6. #186
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    Quote Originally Posted by WS6 View Post
    Physics-wise, I agree 100%. I was just wondering if text-book carried over to the real world, considering that the heavier buffer is going to return to battery slower.
    When it returns (or tries) too quickly, we get bolt overs.
    "You people have too much time on your hands." - scottryan

  7. #187
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    Quote Originally Posted by markm View Post
    When it returns (or tries) too quickly, we get bolt overs.
    I understand, but the heavier buffer slows down the milspec spring. I wonder how much it can slow it down before it cancels out the extra mass advantage. Mass/velocity, and if a stiffer spring is warranted for H2/H3 to avoid this loss.

  8. #188
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    I've not found any need for any aftermarket spring when any gun is gassed correctly. I'd go gas regulation/adjustability before changing springs.

    My belief is that the Rifle or A5 system with USGI spring is where a gun SHOULD be running. (H2 carbine as the only concession) If it doesn't run good there, fix it or dump it.
    "You people have too much time on your hands." - scottryan

  9. #189
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    Quote Originally Posted by WS6 View Post
    I understand, but the heavier buffer slows down the milspec spring. I wonder how much it can slow it down before it cancels out the extra mass advantage. Mass/velocity, and if a stiffer spring is warranted for H2/H3 to avoid this loss.
    I believe the bcg doesn't need to accelerate to strip a round. You should be able to ride the bolt foreword and strip a round fine. It might not go completely into battery (hence the foreword assist), but stripping the round should never be an issue.

  10. #190
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    Quote Originally Posted by WS6 View Post
    I understand, but the heavier buffer slows down the milspec spring. I wonder how much it can slow it down before it cancels out the extra mass advantage. Mass/velocity, and if a stiffer spring is warranted for H2/H3 to avoid this loss.
    I had Clint ("Slash") at HeavyBuffers.net make me a custom 8.3oz SS bodied carbine buffer with 3 tungsten weights inside. I ran it 100% with a springco WHITE and a stock Colt Carbine spring on my BCM 14.5" middy with not a single issue. For the buffer to cause return-to-battery issues, it would almost have to be a solid chunk of stainless and weight north of 10oz I would imagine....which is just ridiculous.

    Also, the A5 buffers are FAR heavier than carbine buffers and the Rifle/A5 spring provides less pre-load pressure, yet they have no issues running 6.8oz A5H4 buffers. Food for thought.

    EDIT: I changed the weights and it now weighs just over 7oz. My brother uses this in his BCM Middy with a Springco WHITE without issue. Has has over 400 rounds on this exact setup.
    Last edited by BufordTJustice; 04-23-14 at 11:11.
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