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Thread: X300U wont fit ar-15

  1. #1
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    X300U wont fit ar-15

    Anyone have the issue of the x300u not fitting the rails on their ar-15's?

    No matter what I do this will not go onto the rails of my KAC RAS.
    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?

  2. #2
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    Have you tried both of the attachments? And are you sure your pressing the levers down far enough to slide it on? That's always the hard part with the 2 I have.
    Sic semper tyrannis.

  3. #3
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    Mine goes on after I used a rubber mallet a couple times. Now it slides on and off fairly easily.

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    X300U wont fit ar-15



    Works just fine for me!

  5. #5
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    I had to use a mallet to put mine on too....

    "Perfect Practice Makes Perfect"
    "There are 550 million firearms on this planet. That's one firearm for every 12 people. The question is... How do we arm the other 11?" Lord of War.
    "I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them." Thomas Jefferson

  6. #6
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    I w tried the lever latch and it will not go on to save my life.
    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?

  7. #7
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    I had to put it on and then tighten the screws down.... I just remembered.
    "Perfect Practice Makes Perfect"
    "There are 550 million firearms on this planet. That's one firearm for every 12 people. The question is... How do we arm the other 11?" Lord of War.
    "I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them." Thomas Jefferson

  8. #8
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    The X series sometimes need to have its rail loosen and adjusted for different rail system... My G19 rail is mush looser than my MH rail.

  9. #9
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    Quote Originally Posted by CoryCop25 View Post
    I had to put it on and then tighten the screws down.... I just remembered.
    Thanks so much, this worked. I also sanded down the rails some and it slides on and off but it takes some serious pressure to get it to.
    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?

  10. #10
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    Quote Originally Posted by sinlessorrow View Post
    Thanks so much, this worked. I also sanded down the rails some and it slides on and off but it takes some serious pressure to get it to.
    Even my original X300 had a hell of a time getting onto my G17 rail when I first bought it. Now it goes on and off with ease.

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