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  1. #11
    Banned
    Join Date
    Dec 2009
    Location
    Peyton, CO
    Posts
    242

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    Ok, range today which is first trip since my last visit in Apr and a trip to see Rob at Bowers which again was great. This damn DB7 AR is a sick puppy. After my visit with Rob I bought a nice Bushnell boar sight and actually measured off 23 meters in my back yard to boar sight the exact distance I would be shooting. Today at Magnum, I popped off three rounds supported with my red dot. Nothing on paper. I sent it back to 23 meters and popped off three more with my MBUS and again nothing on paper. Pulled it in and I'm just in disbelief at this point since I boar sighted I should be close. Sent it out to 10 meters to at least work with windage and popped off three rounds and barely caught paper at 9 O'clock. Needed to come in about 12 clicks right. Moved in about half distance of what I needed. Six more clicks and the rear windage is now moving pretty much very far right but the bullet impact went in the other direction back toward 9 O'clock and up just a few clicks. Range master suggested the rear MBUS may be bad. He brought me in a brand new rear MBUS and I installed it and send my target out to ten meters again. I caught paper at 9 O'clock. I run it 6 clicks to the right to start in the right direction for windage and it moved up! As you can see, this DB7 is crap. I hate this and it’s the first in my lifetime that I've had a bad gun. Looking forward to talking with Rob and bring it in in hopes he can pinpoint the issue/issues and I sure I’ll need to leave it with them.
    Last edited by Skywalker; 06-24-2019 at 13:47.

  2. #12
    Machine Gunner
    Join Date
    Sep 2011
    Location
    westminster
    Posts
    2,225

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    In Rob's post on the first page he says he remounted the barrel, but also commented that the barrel is so short for the caliber. What caliber is it and what is the barrel length ?

  3. #13
    Banned
    Join Date
    Dec 2009
    Location
    Peyton, CO
    Posts
    242

    Default

    Colorider, its a 5.56/223 Multi with a 7.5 inch barrel. I have two twins. This one is sick and the other is perfect. I wish I new about the short barrel issues prior to purchase as I would of went with 10 or so.

    Quote Originally Posted by colorider View Post
    In Rob's post on the first page he says he remounted the barrel, but also commented that the barrel is so short for the caliber. What caliber is it and what is the barrel length ?

  4. #14
    Banned
    Join Date
    Dec 2009
    Location
    Peyton, CO
    Posts
    242

    Default

    I hope this does not sound like a problem other then a gun issue. I'm only trying to determine to move on to a new barrel if that is the fix.
    Last edited by Skywalker; 07-02-2019 at 20:42.

  5. #15
    Banned
    Join Date
    Dec 2009
    Location
    Peyton, CO
    Posts
    242

    Default

    Finally got back to focusing on this problem child Diamond Back DB7 AR. New barrel... problem solved. Zeroed yesterday and it works flawlessly. Good to go.

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