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Thread: What's the most reliable DI set up for a 16" rifle?

  1. #11
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    Is there a money limit? Because for a $1000 a Colt 6920 with it's TDP background, track record, versatility, and high degree of reliability, pretty much sets the bar at a high level for those willing to commit to it.

  2. #12
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    Really I was just wondering about principles and possibilities... In the real world I have a daniel defense v7 and I was wondering what parts I should replace to get more reliability after I break 'em by shooting them out. That will be in years to come though, thus I was just wondering about the operating principles for fine tuning reliability for the Ar. The buffer assembly and bolt/extractor parts are mostly what I'm looking for; I wouldn't change anything other than that but I did wonder about the gas systems so I thought I would throw that out there.
    Last edited by sprice; 02-13-14 at 02:59.

  3. #13
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    Quote Originally Posted by sprice View Post
    Really I was just wondering about principles and possibilities... In the real world I have a daniel defense v7 and I was wondering what parts I should replace to get more reliability after I break 'em by shooting them out. That will be in years to come though, thus I was just wondering about the operating principles for fine tuning reliability for the Ar. The buffer assembly and bolt/extractor parts are mostly what I'm looking for; I wouldn't change anything other than that but I did wonder about the gas systems so I thought I would throw that out there.
    I honestly don't think you need to upgrade anything. Research the Vltor A5 system if anything.

  4. #14
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    You have a DD carbine. It's already fine tuned for reliability. You can maintain that reliability by following these simple steps.
    1. Buy quality 5.56x45 ammunition in quantity and use it a lot.
    2. Buy quality magazines in quantity and use them a lot.
    3. Buy quality lubricant in quantity and use it a lot.

    You will avoid numerous pitfalls if you adhere to the previous steps. Really, no bullshit! Add a spare DD bolt assembly, a few BCM Bolt Upgrade/Rebuild Kits, and some carbine buffer springs, and you're on your way to Nirvana. Really, no bullshit!

  5. #15
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    Quote Originally Posted by 3 AE View Post
    You have a DD carbine. It's already fine tuned for reliability. You can maintain that reliability by following these simple steps.
    1. Buy quality 5.56x45 ammunition in quantity and use it a lot.
    2. Buy quality magazines in quantity and use them a lot.
    3. Buy quality lubricant in quantity and use it a lot.

    You will avoid numerous pitfalls if you adhere to the previous steps. Really, no bullshit! Add a spare DD bolt assembly, a few BCM Bolt Upgrade/Rebuild Kits, and some carbine buffer springs, and you're on your way to Nirvana. Really, no bullshit!
    ^^This
    I would also get a quality LPK from DD, BCM, or Grant. The answers seem so simple because you started with a good rifle.

  6. #16
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    The KAC gas system is definitely the smoothest
    Gun and Gear Reviews- www.almosttacticalreviews.com

  7. #17
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    It's ALL about that little gas port in the barrel. Get that right for the system, be it middy or carbean, and you'll have a trouble free weapon.

    I used to think the 16" with carbean was just a bad idea. But when retards don't over ream that gas port, the gun can run as reliably as a rifle.

    An A5 or Rifle buffer system is icing on the reliability cake.
    "You people have too much time on your hands." - scottryan

  8. #18
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    Reliable? Carbine length with an H2 buffer. Over gassed as all hell but it will run every ammo type. My previous SR-15 was unreliable as **** and choked up on .223 pressure ammo frequently enough to make me sell it.

    The A5 buffers and middy gas systems are great. I personally run a 16" mid length with a standard spring/H2 and have had no malfunctions over 4,600 rounds and the bolt has locked back every time. I'd like to try an A5, but I don't see the need given how well the rifle shoots as is.

  9. #19
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    Quote Originally Posted by 3 AE View Post
    You have a DD carbine. It's already fine tuned for reliability. You can maintain that reliability by following these simple steps.
    1. Buy quality 5.56x45 ammunition in quantity and use it a lot.
    2. Buy quality magazines in quantity and use them a lot.
    3. Buy quality lubricant in quantity and use it a lot.

    You will avoid numerous pitfalls if you adhere to the previous steps. Really, no bullshit! Add a spare DD bolt assembly, a few BCM Bolt Upgrade/Rebuild Kits, and some carbine buffer springs, and you're on your way to Nirvana. Really, no bullshit!
    This.

    Change your buffer spring, extractor+spring/insert every 5,000 rounds and it'll just keep running.

  10. #20
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    I've had great luck with both BCM and Colt 16" carbine gas barrels using M193 or M855 and an H buffer. I've also had 2 16" BCM middies that ran awesome, but I don't own them anymore. Just 14.5" and 16" carbines currently.

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