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Thread: Grip Screw seized up

  1. #1
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    Grip Screw seized up

    I bought an Umbrella Corp grip as part of an upgrade I was doing on my AR (Spikes lower/BCM upper). I got the grip on, then decided I wasn't liking it as much as I thought I would. However when trying to get the screw out, it seized up about 1-2 turns out. The philips slots stripped out almost immediately... so now I'm stuck.

    I have an easy-out kit, but the screw really isn't that meaty to get a good solid hold with the easy-out. I was using the screw supplied with the grip and it had a reddish locktite/threadlocker treatment on it. I'm wondering WTH it was now. It went on easy enough when I installed the grip and I doubt it cross threaded the lower threads.

    I am thinking I will have to cut the grip off to get access to the screw... then try vice grips and then the easy-out if the head pulls off...

    Any other ideas? I've already soaked it in WD40 without any luck.

    Thanks
    Last edited by kermit4161; 10-12-13 at 15:42.

  2. #2
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    I had to do also when soms of our geniuses stripped the heads on some of our stuff. Fortunately they were only A2's.



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  3. #3
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    Hope it's not galled threads. If there is no other options, I'd cut the grip off leaving as much screw as possible. If threading it out with a Vise Grip doesn't work, it's doubtful an easy out will. Was there lock tight on the screw? If so, you can try heating it. If that doesn't work, you'll probably have to drill it out. I'd under size the bit to try and salvage the threads. You will have to clean them up with a tap. Worst case is a Heli-coil but at the moment I don't recall if there is enough meat on the lower for one. Good luck.

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    Quote Originally Posted by JSantoro View Post
    Stop dicking the dog, please. It's gross.

  4. #4
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    Quote Originally Posted by Ryno12 View Post
    Hope it's not galled threads. If there is no other options, I'd cut the grip off leaving as much screw as possible. If threading it out with a Vise Grip doesn't work, it's doubtful an easy out will. Was there lock tight on the screw? If so, you can try heating it. If that doesn't work, you'll probably have to drill it out. I'd under size the bit to try and salvage the threads. You will have to clean them up with a tap. Worst case is a Heli-coil but at the moment I don't recall if there is enough meat on the lower for one. Good luck.

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    Thanks. There was some kind of loctite substance on it (reddish). I am going to tear into it later tonight or tomorrow... I am keeping my fingers crossed that I don't have to drill.

  5. #5
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    Get you some of this. GH

  6. #6
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    Don't forget, you can always use a larger drill bit & drill out the head of the screw through the bottom of the grip. That way you don't have to sacrifice the grip itself in the process.

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    Quote Originally Posted by JSantoro View Post
    Stop dicking the dog, please. It's gross.

  7. #7
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    Call me a heratic but I like the hex-head grip screws better.
    My brother saw Deliverance and bought a Bow. I saw Deliverance and bought an AR-15.

  8. #8
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    Strip the receiver, cut the grip, and find someone who can TIG weld. Have them stack beads (weld) on top of the screw head. Then use vise grips to remove it. The heat from beads will kill the Locktite and give you something to grip. The last thing you want to do is break an easy out off in the fastener. Any competent TIG welder should be able to do this. At worst case you can heli coil the hole to the original fastener size.

  9. #9
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    Quote Originally Posted by Brown Dog View Post
    Strip the receiver, cut the grip, and find someone who can TIG weld. Have them stack beads (weld) on top of the screw head. Then use vise grips to remove it. The heat from beads will kill the Locktite and give you something to grip. The last thing you want to do is break an easy out off in the fastener. Any competent TIG welder should be able to do this. At worst case you can heli coil the hole to the original fastener size.
    OVERKILL!!

  10. #10
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    Use a drill bit to drill the head off the screw, remove the grip, use heat to break down the locking material, and vise-grips to unscrew the remaining shank.

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