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Thread: midlength buffer?

  1. #41
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    Quote Originally Posted by panzerr View Post
    It was designed to be used with an H buffer and a full auto carrier, which is heavier than a semi auto carrier. A semi auto carrier with an H2 must be roughly the same weight as it seems to be working fine for you, even with low power ammo.
    Quote Originally Posted by Iraqgunz View Post
    Don't overthink this subject like others are doing and you will be fine.
    That's what happens when you surf these boards during downtime at work. Tend to find solutions for problems that doesn't exist and spend money when it's unnecessary.

    Thanks guys.

  2. #42
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    Ok, I finally got all of the parts to finish assembling the middy today and brought it to the range for a test with the carbine buffer. Unfortunately, I only had a single box Remington 55g. .223 on hand, so I didn't get to see how the 5.56 will perform. What surprised me, though, was how hard it cycled with the low power ammo. The cases were hitting the top of the shell deflector, and hitting the ground in the 4-5 o'clock position about 10-12 feet away. All of the cases had dents at the top of the case right before it necks down. There was also a patch of transferred brass at the top of the deflector. Based on this, I assume the 5.56 ammo will be worse. In this scenario, would you guys recommend trying an H buffer to slow the action down a bit, or is this normal?

  3. #43
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    Yes your deflector is deflecting. Soft brass + hard (relatively) aluminum = dinged brass. http://www.youtube.com/watch?v=s1P5IdAyFpw

    Glad gun is shooting well. As far as H buffer, remember you can't hurt anything and numerous people in the thread recommended it so any time spent posting is time you could be adding to shopping cart and checking out

  4. #44
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    Quote Originally Posted by panzerr View Post
    It was designed to be used with an H buffer and a full auto carrier, which is heavier than a semi auto carrier. A semi auto carrier with an H2 must be roughly the same weight as it seems to be working fine for you, even with low power ammo.
    +1

    The FA carrier is .4oz+/- heavier than the SA carrier. The H2 is about .8oz+/- heavier than the H buffer.

  5. #45
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    Another Annoying Buffer Weight Question

    Just got my first BCM upper in the mail.

    14.5" Mid-length system.

    Shot it with an H2 buffer + Standard spring I had installed in one of my lowers. Shot a couple hundred rounds of ammo, mix of M193 and Wolf. Everything appeared to cycle & eject fine. No malfunctions.

    Am I GTG with keeping the H2 installed unless I run into a malfunction after a few hundred more rounds + no cleaning - or should I install an "H" in this setup anyway to reach some sort of optimal cyclic rate? (These discussions confuse me)

  6. #46
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    Merged.
    Contractor scum, AAV

  7. #47
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    I run my DD 16" mid with an H2 buffer and std BCM spring. It's been 1200 rounds good except for a few rounds of crappy reloads that I got in a trade deal. I never should've shot them to to begin with. After running the gun with XM193, these sounded like a 22 going off and must've been way underpowered. I threw them away, but like I said, all commercial 223 (PMC) and M193 (Federal) has been flawless. 500+ were in a Vickers class for what that's worth regarding volume of fire over time.
    Semper Paratus Certified AR15 Armorer

  8. #48
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    H2 buffer with blue Sprinco in my 14.5" Centurion arms middy. Flawless through 1,500+ rounds. When shooting from prone, nice pile of brass to my 4 o'clock.

    The Sandbox, 2001-2006
    We few, we happy few, we band of brothers;
    For he to-day that sheds his blood with me
    Shall be my brother-- Henry V

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