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Discussion Starter · #1 ·
And not like staking a vampire. LOL

I am just now getting into the black rifles and have been reading everyone says that a rifle needs to be staked to be a really good rifle. So what does it mean?

I did try and search and couldnt come up with anything.
 

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Method of displacing metal from one part into another part, ensuring the part won't come loose under excessive vibrations.

With ARs, it's important to have a properly staked bolt carrier gas key. The softer metal from the gas key is displaced into the threads of the carrier key screws. This will ensure the key does not come loose, causing a gas leak and the potential for short-stroking. Staking the carrier key is a very quick, cheap, and simple procedure, but several manufacturers can't seem to get it right. It makes you wonder what else they're getting wrong.

The castle nut, which secures the receiver extension to the lower receiver, should also be staked.
 

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Discussion Starter · #5 ·
Thanks for the help guys.
Captains, do you have a picture of what part the receiver extension is?
 

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Thanks for the help guys.
Captains, do you have a picture of what part the receiver extension is?
The receiver extension (aka "buffer tube") is the part that screws into the rear of the lower receiver. The stock fits over the reciever extension, and the buffer and spring move inside of it:
http://www.bravocompanyusa.com/Milspec-Receiver-Extension-Buffer-Tube-p/bcm%20milspec%20receiver%20extension.htm

In these pictures, you can see where material from the receiver end plate has been staked into the notches on the lock ring (castle nut), ensuring it and the receiver extension won't loosen.
 

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Discussion Starter · #8 ·
Excellent, thanks again.
 

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just make sure you dont get steered in the wrong direction of using loc-tite. Loc-tite will break down very quickly under heat so, using it on the BCG is definitely not a good thing. however, a small drop on the buffer tube threads will work fine if you dont have a small punch or you want to leave the option open to change out the tube later or add a sling adapter.
 
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