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September 27, 2017, 02:49 PM | #1 |
Junior Member
Join Date: March 23, 2017
Posts: 6
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Staking castle nut on AR15
Plan on starting my first build and I watched a video from sootch00 where he was building a lower to a ar15 and he didn’t stake the castle nut on the tube. I was just wondering if I should do that. I plan on getting a buffer tube and sticking to that one and not changing it around.
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September 27, 2017, 04:08 PM | #2 |
Senior Member
Join Date: August 25, 2008
Location: In the valley above the plain
Posts: 13,402
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Do what you feel comfortable with.
Some people here stake everything. Some only stake certain types of nuts/end plates. I haven't staked a single one of mine. I haven't had issues. But, my ARs also don't see hard use, abuse, or thousands of rounds per year...
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September 27, 2017, 07:28 PM | #3 |
Junior Member
Join Date: March 23, 2017
Posts: 6
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Do you really need to stake it if you do go to the range a lot?
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September 28, 2017, 06:41 AM | #4 |
Junior member
Join Date: February 2, 2010
Posts: 6,846
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I don't have a single "staked" castle nut AR on the rack. Unless you frequently use your AR for a club, prybar, or spear, I see absolutely zero need to stake.
I've had exactly ONE castle nut loosen over the last ten years and I suspect it was simply due to insufficient initial torquing. I was probably a wee bit too conservative with the wrench. |
September 28, 2017, 07:51 AM | #5 |
Senior Member
Join Date: October 20, 2015
Location: Phoenix, AZ
Posts: 1,203
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I wouldn't consider doing it. Never had one come loose. But I suppose if one did I could tighten it back up.
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September 28, 2017, 11:57 AM | #6 |
member
Join Date: June 12, 2000
Location: Texas and Oklahoma area
Posts: 8,462
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I've seen dozens of castle nuts come loose, more often from riding around in vehicles and rattling around than shooting; but it can certainly happen.
However, I've rarely seen it cause any kind if failure. Typically the stock just gets loose and someone borrows my wrench to tighten it. After they've done that a few times, they stake it or use some kind of light threadlocker. When it does rarely cause a failure, the failure is always the buffer retaining pin being launched into low orbit next time the rifle is disassembled. Most of the time it has happened has been at shooting classes; but I'll occasionally come across someone at the range with wobbly stock. |
September 28, 2017, 12:41 PM | #7 |
Senior Member
Join Date: February 13, 2002
Location: Canada
Posts: 12,453
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"...use your AR for a club, pry bar or spear..." Like the PBI. snicker. Shouldn't be something that requires staking.
"...from riding around in vehicles and rattling around..." An armoured type's kidneys do that too. Typical civilian AR isn't getting bashed around that much though.
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September 28, 2017, 08:04 PM | #8 |
Member
Join Date: March 8, 2011
Posts: 92
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I don't think it's needed. I know guys who shoot Three gun who never stake theirs. I've shot a lot of rounds through guns without the castle nut staked without issue. I still stake mine though. It's cheap insurance. It's still easy to get the nut back off, just a little extra grunt.
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