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Thread: Why do mfgs still make carbine length gas systems?

  1. #111
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    Quote Originally Posted by LoveAR View Post
    ^^^

    Thanks for posting the vintage photo!
    The first thing that came to mind when I saw that was, any industry demonstration like that today would have the person dressed out in tactical gear, and not in shirt-and-tie.

  2. #112
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    KL, the gas block on my dissy appears to be significantly closer to the chamber than the carbine in your picture.

    This is all starting to sound like an argument about the number of angels that can dance on the head of a pin.

    Moving the gas source a couple inches, or less, truly makes that much difference? My personal interest in the dissy was driven by the long sight radius in a carbine length weapon.
    Moon

  3. #113
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    Quote Originally Posted by halfmoonclip View Post
    Moving the gas source a couple inches, or less, truly makes that much difference?
    Yes. The gas port pressure on a carbine length gas system runs about 20% higher than a mid-length gas system.

  4. #114
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    Quote Originally Posted by justin_247 View Post
    Because carbine-length gas systems on ARs are a proven system.

    The reason mid-lengths originally came about is because carbine-length gas systems weren't designed for 16" barrels, and some engineers found that moving the gas port closer to the muzzle than the carbine-length allowed on those 16" barrels was more optimal. Thus, the mid-length gas system.
    The C8 SFW is a 15.7" barrel and it was designed that way. From what I see most people do not realize that there are 16" carbine systems designed that way.

    The C8A3 is also a 15.7" carbine, The Danes have a 15.7" barrel on their rifles as well if I am not mistaken.
    Quote Originally Posted by C4IGrant View Post
    Colt builds War Horses, not show ponies.
    Quote Originally Posted by Iraqgunz View Post
    This is 2012. The world is going to end this December and people are still trying to debate the merits of piece of shit, cost cutting crap AR's. Really?

  5. #115
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    Quote Originally Posted by sinlessorrow View Post
    The C8 SFW is a 15.7" barrel and it was designed that way. From what I see most people do not realize that there are 16" carbine systems designed that way.

    The C8A3 is also a 15.7" carbine, The Danes have a 15.7" barrel on their rifles as well if I am not mistaken.
    Good point! Do you know if those use a different sized gas port?

  6. #116
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    Quote Originally Posted by K.L. Davis View Post
    I used the later "dissy" concept when I came up with the "Kino Config" for BCM. (I didn't name it, Paul did)
    I've always wondered about that. How exactly did the name "kino" come about anyway?

  7. #117
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    Quote Originally Posted by Doc Glockster View Post
    Amen. I'd like to turn it around and ask "why is the midlength still popular?"

    I understand it's a hit with people that shoot full power 5.56, but I got rid of a 16" midlength upper and a 14.5" carbine upper due to cycling issues with weaker ammo, i.e., lower powered commercial .223 like PMC.

    My 16" carbine gassed BCM weapons will eat any good quality but lower powered .223, and that's why I own only carbine gassed guns now.
    If it makes you feel better I have a Midlength BCM with an H buffer with about 4,500 rounds that has never fired a 5.56mm cartridge and only about 200 brass .223 Rem that's never failed to cycle or eject.

    I only shoot Wolf or Tula. Only.

    My father has had the same experience with less rounds.

    ETA: Correction it failed to chamber 2-3 brass cased cartridges with mil spec mags and followers within the first hundred rounds. It released the rounds too early and it would jam them up diagonally towards/beside the gas tube.

    Changed to Anti-Tilt Followers and had one stuck steel case since.
    Last edited by BWT; 10-11-13 at 13:05.

  8. #118
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    Quote Originally Posted by Doc Glockster View Post
    I've always wondered about that. How exactly did the name "kino" come about anyway?
    because K.L. was too confusing?..

    never push a wrench...

  9. #119
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    Quote Originally Posted by Doc Glockster View Post
    I've always wondered about that. How exactly did the name "kino" come about anyway?
    Quote Originally Posted by ra2bach View Post
    because K.L. was too confusing?..

    There you go Doc - it's my name
    Please let me know if I have offended you...
    I would like to move on to my next task.


    I provide legal consultation and training - specializing in the Law of Gravity.

  10. #120
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    Quote Originally Posted by halfmoonclip View Post
    KL, the gas block on my dissy appears to be significantly closer to the chamber than the carbine in your picture.

    This is all starting to sound like an argument about the number of angels that can dance on the head of a pin.

    Moving the gas source a couple inches, or less, truly makes that much difference? My personal interest in the dissy was driven by the long sight radius in a carbine length weapon.
    Moon
    Optical illusion... the gun in the picture has a 12.5" barrel with a carbine gas system - the lack of barrel forward probably makes you think the gas block is further forward than it is.
    Please let me know if I have offended you...
    I would like to move on to my next task.


    I provide legal consultation and training - specializing in the Law of Gravity.

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