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Posted: 6/4/2017 8:20:02 PM EDT
[#1]
Take the FCG out and put some Kroil on the end of the screw
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Posted: 6/4/2017 10:24:52 PM EDT
[#2]
If it's a Loctite or Permatex type thread locker, then you can usually soften it by applying heat. If it's down inside the grip, then try using a wood burner / soldering iron to get it hot, be patient as it may take several minutes of applying heat.
CY6 Greg Sullivan "Sully" SLR15 Rifles TheDefensiveEdge.com (763) 712-0123 |
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Posted: 6/7/2017 8:02:13 PM EDT
[#3]
I can confirm that the kroil is not working, unfortunately. I have advised my friend to use heat next.
On that note, in the past I have stuck the entire upper receiver in the oven to heat it up (stuck barrel). Is the lower receiver and parts rated for that kind of heat or is a soldering iron the way to go? |
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Posted: 6/7/2017 10:51:11 PM EDT
[#4]
Remove the bbl nut, soak the extension area with penetrant. Heat gun on the nose of the receiver, bbl should pull free. Wooden dowel (inserted through the receiver) and deadblow will coax it out also.
Is the grip screw a Phillips head or capscrew? If capscrew, drill the head off, drill a pilot hole and use an extractor. |
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Posted: 6/9/2017 8:18:12 AM EDT
[#5]
Have you thought about using a Dremel tool to cut the grip off and leave the screw head exposed where you could grab it with a set of vice-grip pliers?
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Posted: 6/10/2017 11:04:09 PM EDT
[#6]
I will advise my friend to do this next or take it to a gunsmith. Any recommendations in the Tampa area?
Also can confirm that S&W did not do this from the factory. Probably the seller for liability reasons. |
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Posted: 6/11/2017 12:43:52 PM EDT
[#7]
Best to pull the FCG out of the lower receiver, and when turning the bolt in the grip, make sure that the piece of shaft is not spinning in the grip bolt channel instead.
Hence at this point, either the bolt on the shaft is stripped, or the threaded shaft into the receiver grip channel is stripped. As for if the receiver grip channel is stripped, not the end of the world, since that channel be be helicoil to bring is back to the 1/4-28 thread pitch threading for a new grip bolt. |
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Posted: 8/7/2017 9:54:23 AM EDT
[#8]
Thanks for all the help!
My friend informed me that it has finally come loose with a very liberal use of a torch (enough to get the receiver red hot). It turns out the culprit was an extreme excess of red loctite, enough to cover the screw top to bottom. And that's the story of how a New York AR left the state and got its freedom. |
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