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Posted: 1/10/2021 6:28:52 PM EST
Do not know if this is the right forum section for this but I have searched for a square staking punch for the receiver extension castle nut/ end plate to replicate Colt- no luck  Bought a Colt 6920 that previous owner replaced  the end plate with a Magpul ASP- trying to put it back to original condition with proper staking. Thought about grinding a round punch into a square punch.  Any recommendations would be helpful- thanks.
Link Posted: 1/10/2021 6:31:45 PM EST
In an armorer course they said the factory square staking was from some kind of hydraulic deal with a jig.
Link Posted: 1/10/2021 7:38:51 PM EST
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Originally Posted By Sierra5:
In an armorer course they said the factory square staking was from some kind of hydraulic deal with a jig.
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This ^^^^^.


Also, THIS is the only square staking tool that I have seen offered.
Link Posted: 1/10/2021 8:00:13 PM EST
I bought a square tip punch at ACE Hardware, perfectly fits into a Colt stake. Haven't tried it yet though.
Link Posted: 1/10/2021 9:38:08 PM EST
There was a guy who used the "c" from a 1/8" letter/number set and everyone was convinced it was the "Colt Approved" punch. It actually looked pretty good and the square portion above the raised letter fit perfectly.
Link Posted: 1/11/2021 1:47:47 AM EST
Grind a round punch square?
Link Posted: 1/16/2021 7:40:39 PM EST
Link Posted: 1/19/2021 3:37:26 PM EST
What about trying one of these?

Drive Bit
Link Posted: 1/19/2021 5:38:35 PM EST
Originally Posted By TacoAr:

Any recommendations would be helpful- thanks.
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DON'T WORRY ABOUT IT; NOT NEEDED
Link Posted: 1/20/2021 7:16:55 AM EST
I took a punch, grounded it so it was square, slightly rectangular actually and it works like a champ.
Link Posted: 1/20/2021 9:25:56 AM EST
I'd be in for pics of results on home fabbed square staking tools.
Link Posted: 1/20/2021 10:59:37 PM EST
Ditto ^^^
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