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Thread: Daniel Defense Lightweight?

  1. #21
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    Jerhelo, do you have a full-auto lower? Are you running a silencer? Do you want to shoot match ammo for MOA or better accuracy beyond 100yds?

    If the answer to all of those is "no", then buy a lightweight barrel. If the answer to any of those is "yes" then consider a different barrel.

    I am a proponent of a lightweight barrel on a carbine. It makes it much more pleasant to handle/carry. Heat/accuracy loss are non-issues for a weapon with a 2 or 4MOA red dot shooting 3-4 MOA ammo. Based on my personal experience, a hot Lightweight Daniel Defense barrel will still hold 1.7 MOA with match ammo.

    Also, Trident1982 on this site has done some testing with a LW DD barrel. You can find both of our posts in the semi-auto precision forum.
    Semper Paratus Certified AR15 Armorer

  2. #22
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    Quote Originally Posted by ASH556 View Post
    Jerhelo, do you have a full-auto lower? Are you running a silencer? Do you want to shoot match ammo for MOA or better accuracy beyond 100yds?

    If the answer to all of those is "no", then buy a lightweight barrel. If the answer to any of those is "yes" then consider a different barrel.

    I am a proponent of a lightweight barrel on a carbine. It makes it much more pleasant to handle/carry. Heat/accuracy loss are non-issues for a weapon with a 2 or 4MOA red dot shooting 3-4 MOA ammo. Based on my personal experience, a hot Lightweight Daniel Defense barrel will still hold 1.7 MOA with match ammo.

    Also, Trident1982 on this site has done some testing with a LW DD barrel. You can find both of our posts in the semi-auto precision forum.
    Thank you, I will check it out, very helpful.

  3. #23
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    TRIDENT82 recently documented accuracy on a Daniel Defense 14.5 pencil barrel out to 6 or 700 yards or something crazy like that. The barrel got heated up pretty well, he used a thermometer to document barrel temps. But he doesn't abuse or flog his gear, so it wasnt pushed to failure or whatever you want to call it. That sorta stuff is stupid if you ask me. Let DD do it if they want to prove it.

  4. #24
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    How does anyone think the gov vs lightweight profiles are any different concerning suppressor use? They are the same minimum diameter (under the handguards).

    If you were to argue SOCOM or mid-weight or custom profiles that's another thing. But suppressor use shouldn't really be brought up for LW conversation as only the part you can see is thicker on the standard profile.

    As far as heat goes, the LW should cool faster, so that should be equally important as heat up faster. I think personally, for a truck or carry gun, me not being mil, the LW would work fine. My Recce has a pretty heavy barrel though.

    MarkM, how about the gun you'll carry and rarely shoot at any distance?

  5. #25
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    Quote Originally Posted by ASH556 View Post
    I am a proponent of a lightweight barrel on a carbine. It makes it much more pleasant to handle/carry. Heat/accuracy loss are non-issues for a weapon with a 2 or 4MOA red dot shooting 3-4 MOA ammo. Based on my personal experience, a hot Lightweight Daniel Defense barrel will still hold 1.7 MOA with match ammo.
    I don't have reams of data, and a sample size of only one but, my BCM 16" mid LW has been printing at/slightly under 1 MOA at 200 yds with Speer 24448 Gold Dot.

  6. #26
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    My gov't profile guns' POI don't change whether they're hot or not.

    POI will change, however, with a pencil barrel when subjected to long strings of fire. I usually see some vertical stringing in the 3-4 inch range once the barrel gets heated up. Practically speaking, this is of little concern.

    Note: I suppose it's within the realm of possibility that you'd have to run the gun hard for a couple magazines (e.g. a "break contact" situation) then almost immediately be pressed into having to take single precision shot at range, but this is about the only scenario I can fathom where a pencil barrel would prove to be a hindrance.

    FWIW
    "On the plains of hesitation lie the blackened bones of countless millions who at the dawn of victory lay down to rest, and in resting died." -Adlai E. Stevenson II

  7. #27
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    As ASH556, and Bullittmcqueen noted already, you might want to check out this thread for more info.


    Evaluating Daniel Defense's 14.5" CHF LW 5.56 barrel...

  8. #28
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    I'm a huge proponent of our Lightweight Barrels. I use them exclusively in both of my rifles. I have a 14.5" LW Midlength in one, and our 16" in my 3 Gun Rifle. I've never had any issues with the accuracy of either. With my 14.5" LW Barrel I've acheived 1.5" groups at 100 yards with M855 and a 4 MOA Micro T1. More than acceptable for what I need/use it for and I'm certain the groups would be shrink with better ammo and optic. Will a LW barrel outperform a Govt or M4 Profile Barrel in regards to accuracy? Probably not, but the spread isn't much.

    From a longevity standpoint, both will perform the same given they are treated equally. All of our barrels are Cold Hammer Forged and have a typical life of 15-20K rounds while maintaining POA/POI. You can get more out of our barrels with proper cleaning and maintence. We even have reports of 35K+ from a couple customers. My pockets aren't that deep and I don't have that much time on my hands so I can't validate that claim. Wish I could though!

    S/F

    Joe
    Joe Marler
    Law Enforcement Sales Manager

    jmarler@danieldefense.com
    www.danieldefense.com

  9. #29
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    Quote Originally Posted by jerhelo View Post
    How would that create an issue? I am assuming accuracy would be affected when it gets real hot as the barrel would flex due to the extra weight on the end?

    Anyone ever experienced this?
    Sorry should have been more specific. I was referring to the POI shift when adding a suppressor to the end of a light weight barrel.

  10. #30
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    Quote Originally Posted by Marler5811 View Post
    I'm a huge proponent of our Lightweight Barrels. I use them exclusively in both of my rifles. I have a 14.5" LW Midlength in one, and our 16" in my 3 Gun Rifle. I've never had any issues with the accuracy of either. With my 14.5" LW Barrel I've acheived 1.5" groups at 100 yards with M855 and a 4 MOA Micro T1. More than acceptable for what I need/use it for and I'm certain the groups would be shrink with better ammo and optic. Will a LW barrel outperform a Govt or M4 Profile Barrel in regards to accuracy? Probably not, but the spread isn't much.

    From a longevity standpoint, both will perform the same given they are treated equally. All of our barrels are Cold Hammer Forged and have a typical life of 15-20K rounds while maintaining POA/POI. You can get more out of our barrels with proper cleaning and maintence. We even have reports of 35K+ from a couple customers. My pockets aren't that deep and I don't have that much time on my hands so I can't validate that claim. Wish I could though!

    S/F

    Joe
    +1 (and a few more characters)

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