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1/22/2020 12:12:56 PM
Posted: 10/2/2007 3:28:17 AM EST
Hi,
I guess htis has been asked a few time, but I cant find it anywhere. So how do you properly stake a castle nut. Pics would help.
Thanks
Link Posted: 10/2/2007 6:50:42 AM EST
[Last Edit: 10/2/2007 6:57:05 AM EST by A_Sibley]
No science really. Just take a big ass screwdriver or punch and displace metal from the receiver endplate into two of the notches in the castle nut.

It can be tricky making it look decent, but anyone can easily make a functional stake.

After doing it a few times, I have mine looking pretty professional. The next time you see a Colt LE carbine, take a look at the castle nut to see what it's supposed to look like.

Randall (AR15barrels.com) usually posts a good pic of what a castle nut stake looks like.
Link Posted: 10/3/2007 5:42:53 AM EST
Thanks for the answer.

Best Regards,
Pedro Viana
Link Posted: 10/3/2007 9:19:37 AM EST
I just finished replacing the adj. stock on my RRA 223 and it was not staked but it was very tight. DPMS says they put a bit of epoxy on the nut then torque to spec. I have 2 DPMS and 1 RRA and none of them look as if they're staked. I'm new to the AR and still have a lot to read and learn but what is the reason for staking the nut? Wouldn't epoxy and torque hold the nut in place? Seems like overkill to me.
Link Posted: 10/3/2007 9:25:01 AM EST
[Last Edit: 10/3/2007 9:41:24 AM EST by AB18162]
I wouldn't recommend any epoxy or Loc-tite for securing that castle nut. It is designed to be staked.

You may want to remove it in the future and staking it makes it easy to do. An epoxy and Loc-tite (especially if you use the wrong type) can make it difficult to remove and neither is known for surviving heat and heavy vibration very well.
Link Posted: 10/3/2007 9:39:23 AM EST

Originally Posted By AB18162:
I wouldn't recommend any epoxy or Loc-tite for securing that castle nut. It is designed to be staked.

Exactly. It is designed to be staked.

Some example pics are here.
Link Posted: 10/3/2007 10:51:16 AM EST
what does staking the castle nut do exactly? Just stop the castle nut from backing out?
Link Posted: 10/3/2007 10:55:29 AM EST
I usually use a diamond chisel. It usually moves a nice bit of material and makes a nice neat punch.
Link Posted: 10/3/2007 12:27:38 PM EST

Originally Posted By DCMoney:
what does staking the castle nut do exactly? Just stop the castle nut from backing out?

Yes.
Link Posted: 10/8/2007 12:31:02 PM EST
height=8
Originally Posted By DCMoney:
what does staking the castle nut do exactly? Just stop the castle nut from backing out?


It could keep you from getting killed... Last year we had an officers AR fail to fire in a gunfight because the nut came loose allowing the buffer tube to back out. The buffer retainer pin popped out and landed in front of the hammer. The officer tried immediate action but all they got was two hammer clicks. Luckily another officer was close by with a good ole Remington 870 and finished the fight.

Maintenance, Maintenance, Maintenance !!!!!!!!!!!!!
Link Posted: 10/8/2007 6:16:59 PM EST

Originally Posted By latewatch:

Originally Posted By DCMoney:
what does staking the castle nut do exactly? Just stop the castle nut from backing out?


It could keep you from getting killed... Last year we had an officers AR fail to fire in a gunfight because the nut came loose allowing the buffer tube to back out. The buffer retainer pin popped out and landed in front of the hammer. The officer tried immediate action but all they got was two hammer clicks. Luckily another officer was close by with a good ole Remington 870 and finished the fight.

Maintenance, Maintenance, Maintenance !!!!!!!!!!!!!


that sucks. wouldn't you start noticing that your stock has that much play? i mean for the tube to back off the threads enough for the buffer to pop off, the stock much be at least off by 45 degrees right?
Link Posted: 10/8/2007 6:23:17 PM EST

Originally Posted By boywonder777:

Originally Posted By latewatch:

Originally Posted By DCMoney:
what does staking the castle nut do exactly? Just stop the castle nut from backing out?


It could keep you from getting killed... Last year we had an officers AR fail to fire in a gunfight because the nut came loose allowing the buffer tube to back out. The buffer retainer pin popped out and landed in front of the hammer. The officer tried immediate action but all they got was two hammer clicks. Luckily another officer was close by with a good ole Remington 870 and finished the fight.

Maintenance, Maintenance, Maintenance !!!!!!!!!!!!!


that sucks. wouldn't you start noticing that your stock has that much play? i mean for the tube to back off the threads enough for the buffer to pop off, the stock much be at least off by 45 degrees right?

He was probably on the move when it happend
Link Posted: 10/9/2007 2:57:04 PM EST
if you do stake the castle nut your then unable to remove it or your buffer tube correct?

-patry
Link Posted: 10/9/2007 3:06:33 PM EST
How is steaking more easy to remove that loctite? I would think a very small amount of loctite would be the easyist. And how would you remove a steaked castle nut if you wanted to change out parts or whatever? Thanks
Link Posted: 10/10/2007 2:53:09 AM EST

Originally Posted By latewatch:
Maintenance, Maintenance, Maintenance !!!!!!!!!!!!!

That's not a maintenance issue. That an assembly issue. If the weapon was assembled correctly in the first place, there would be no need for maintenance of the castle-nut.

It amazes me how many people come up with excuses not to do this step or use loctite instead.
Link Posted: 10/10/2007 6:06:58 AM EST
If you bet your life on your weapon, then there is NO EXCUSE for not staking it.

Anything less is sheer lazyness.

I don't care if you get yourself killed because "good enough" was OK. I just hope you don't get someone else killed who was depending on you.
Link Posted: 10/10/2007 7:20:42 AM EST
After the aforementioned incident, I pulled all of our officers rifles in (these are all personally owned by the officers). Of the 15 that had collapsible stocks only 2 were staked from the factory. There were examples from all the "big" names and they are all STAKED now.

The officer in question should have caught the issue during normal maintenance and I guarantee no one will miss it again. Murphy is alive and well and he has a sick sense of humor.... check your gear always.
Link Posted: 10/10/2007 8:16:56 AM EST
[Last Edit: 10/10/2007 8:17:10 AM EST by DrMark]

Originally Posted By PreBanPatry:
if you do stake the castle nut your then unable to remove it or your buffer tube correct?



Originally Posted By ak4784:
...how would you remove a steaked castle nut if you wanted to change out parts or whatever?

Shortly after getting a complete LMT lower, I removed the castle nut, which was staked on. My sturdy, good-fitting wrench was able to overcome the staking without a problem.
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