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Do you stake or use blue Loctite on AR-15 buffer tube? Login/Join 
Be not wise in
thine own eyes
Picture of kimber1911
posted
Building my first AR with a Spikes Crusader stripped lower.

Do you prefer to stake or blue Loctite the buffer tube to the lower receiver?

I have read that you torque it to 40 ft lbs.
That seems like a lot.
How tight do you go with the castle nut?



"This American carnage stops right here and stops right now.”
Donald Trump (POTUS) Jan. 20th 2017

"ΜΟΛΩΝ ΛΑΒΕ!" King Leonidas of Sparta
 
Posts: 2394 | Location: NC | Registered: December 05, 2004Reply With QuoteReport This Post
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Picture of jcat
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I haven't staked, nor have I used loctite. I'm probably wrong for not doing one or the other.

Both ARs I've built, I've never had the castle nut come loose. One had a little over 1k rounds through it, this most recent one doesn't have that many, and neither were 'worked' or taken through a carbine class, which I suspect if it was going to happen it'd happen during something like that.

If I had the tools and knowledge, I'd stake it.


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Posts: 9933 | Location: RI | Registered: October 08, 2012Reply With QuoteReport This Post
The Persian
Picture of PPGMD
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If it is anything but a few rounds every once in a while gun, stake it. IME blue Loctite isn't enough to hold it in place.


-------
A turbo: Exhaust gasses go into the turbocharger and spin it, witchcraft happens, and you go faster.

Mr. Doom and Gloom
"King in the north!"
"Slow is smooth... and also slow.
 
Posts: 20052 | Location: At the wall | Registered: February 13, 2008Reply With QuoteReport This Post
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Stake.

I ground the end of a cold chisel to produce a nice rectangular Colt-like stake.
 
Posts: 6517 | Location: The Red part of Minnesota | Registered: October 06, 2002Reply With QuoteReport This Post
Glorious SPAM!
Picture of mbinky
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I coat with the correct grease, torque and stake as per the TM. I'm not in the habit of swapping buffer tubes but if I ever had to it's easy to remove and castle nuts and end plates are cheap.
 
Posts: 6902 | Registered: June 13, 2003Reply With QuoteReport This Post
That rug really tied
the room together.
Picture of bubbatime
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I always stake. And new endplates are $2 if you ever need to remove the buffer tube for some reason. Loctite is an improper install.


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Posts: 3949 | Location: Floriduh | Registered: October 16, 2004Reply With QuoteReport This Post
Be not wise in
thine own eyes
Picture of kimber1911
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Thanks, I was leaning toward staking.
Just ran across this guide which explains the danger of not staking.

How to stake your castle nut in 3 easy steps.



"This American carnage stops right here and stops right now.”
Donald Trump (POTUS) Jan. 20th 2017

"ΜΟΛΩΝ ΛΑΒΕ!" King Leonidas of Sparta
 
Posts: 2394 | Location: NC | Registered: December 05, 2004Reply With QuoteReport This Post
Old Air Cavalryman
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Stake.

Always stake it.




"Also I heard the voice of the Lord saying who shall I send, and who will go for us? Then said I, here am I, send me."

GCO member


 
Posts: 6626 | Location: Georgia | Registered: February 19, 2005Reply With QuoteReport This Post
Fighting the good fight
Picture of RogueJSK
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Stake.

I use a cheap spring-loaded center punch from Harbor Freight.
 
Posts: 19085 | Location: Northwest Arkansas | Registered: January 06, 2008Reply With QuoteReport This Post
For real?
Picture of Chowser
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I'm a cheap bastard. I'll use a regular punch to stake. Haven't scratched any rifles yet.



Not minority enough!
 
Posts: 5117 | Location: South of Cleveland, OH | Registered: August 09, 2007Reply With QuoteReport This Post
Security Sage
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Grease on the threads of the tube, hand tighten the nut, snug it down *firmly* and stake with a spring loaded center punch. I usually punch about 30x on each stake point or until I feel enough of the metal on the endplate is displaced into the notches in the castle nut.

Mine look like this:






RB

 
Posts: 6153 | Location: Michiana | Registered: March 01, 2005Reply With QuoteReport This Post
Security Sage
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RB

 
Posts: 6153 | Location: Michiana | Registered: March 01, 2005Reply With QuoteReport This Post
"Member"
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I loctite'd a few, way back. I don't bother any more. Never stake.

I suppose if I were building rifles for other stupid people whom I didn't want taking the rifle apart, I would. But I'm not, so I don't.


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Posts: 14684 | Location: A little box of pine on the 7:29 | Registered: May 17, 2003Reply With QuoteReport This Post
The Persian
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quote:
Originally posted by cas:
I suppose if I were building rifles for other stupid people whom I didn't want taking the rifle apart, I would. But I'm not, so I don't.


It isn't about stupid people taking the rifles apart. Staking is done to prevent the rifle from taking itself apart. It is the same reason that the carrier keys are staked.


-------
A turbo: Exhaust gasses go into the turbocharger and spin it, witchcraft happens, and you go faster.

Mr. Doom and Gloom
"King in the north!"
"Slow is smooth... and also slow.
 
Posts: 20052 | Location: At the wall | Registered: February 13, 2008Reply With QuoteReport This Post
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I stake because that's in the TM. But there is a threadlocker product (not 242 as was asked and I'm too lazy to look up what's needed for this torque and thread) that would accomplish this just as well.


“So in war, the way is to avoid what is strong, and strike at what is weak.”
 
Posts: 6382 | Registered: October 14, 2004Reply With QuoteReport This Post
Green Mountain Boy
Picture of Jus228
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Stake is the proper way to do it. Just because your particular gun hasn't fallen apart doesn't mean it's right.


!~God Bless the U.S. Military~!

If the world didn't suck, we'd all fall off

Light travels faster than sound, this is why some people appear bright until you hear them speak
 
Posts: 5286 | Location: Vermont | Registered: March 02, 2002Reply With QuoteReport This Post
Little ray
of sunshine
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Stake it.




The fish is mute, expressionless. The fish doesn't think because the fish knows everything.
 
Posts: 44351 | Location: Texas | Registered: February 10, 2004Reply With QuoteReport This Post
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Picture of ed308
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I've never staked or used Blue Loctite since my first build in the early 90's and never had one come loose. I do stake carrier keys.
 
Posts: 528 | Location: DFW Area | Registered: January 12, 2015Reply With QuoteReport This Post
Go ahead punk, make my day
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Stake, stake, and stake.

It's not hard to do.

quote:
Originally posted by Jus228:
Stake is the proper way to do it. Just because your particular gun hasn't fallen apart doesn't mean it's right.


Spot on.
 
Posts: 36018 | Registered: July 12, 2008Reply With QuoteReport This Post
Go ahead punk, make my day
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quote:
Originally posted by jcat:

If I had the tools and knowledge, I'd stake it.


https://thearmsguide.com/5135/...nut-in-3-easy-steps/

https://www.amazon.com/TEKTON-...=spring+loaded+punch

Punch costs $5.49 delivered and it takes all of 5 minutes to do.
 
Posts: 36018 | Registered: July 12, 2008Reply With QuoteReport This Post
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