SIGforum
Does anyone use KNS perma pin on their AR BCG?
September 15, 2021, 09:43 AM
BennerP220Does anyone use KNS perma pin on their AR BCG?
KNS Perma pin I have seen these and seem to have mixed reviews. I was just wondering if any of my forum friends use this?
September 15, 2021, 10:07 AM
DSgrouseI subscribe to the KISS principal. Out of the many thousand rounds I have fired through an AR, I have never had an issue with the little cotter pin.
September 15, 2021, 11:17 AM
Flash-LBI've never used one, but I carry one in my spare parts kit.
It's based on the original Stoner M16 retaining pin.
September 15, 2021, 12:22 PM
pepsiblueI bought a used upper from a former member here a few years ago, and it had one previously installed. No issues at all.
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I left "practical" behind many years ago. It was covered with my first Glock 19. (Fredward) September 15, 2021, 01:05 PM
BennerP220One of my local stores has some in stock. I thought about trying it out. Although, I haven't had any trouble with the regular pin. I wonder why they switched to the newer pin away from this one since this was part of the original design?
September 15, 2021, 01:15 PM
SIG228If it's not broken, why fix it? Thousands of rounds through several ARs and never had one issue with a plain old cotter pin.
September 15, 2021, 01:23 PM
2AdefenderSounds like a solution in search of a problem.
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September 15, 2021, 01:37 PM
BennerP220I just saw it at the shop and was curious. Hence, why I asked here. I haven't had any issues with my pin. Just wondering what everyone thought.
Thanks guys for your thoughts and posting!
September 15, 2021, 01:43 PM
stoic-onequote:
Originally posted by BennerP220:
One of my local stores has some in stock. I thought about trying it out. Although, I haven't had any trouble with the regular pin. I wonder why they switched to the newer pin away from this one since this was part of the original design?
Probably because a cotter pin is common as dirt, and cheaper?
September 15, 2021, 02:15 PM
BennerP220That's a good point, too.
September 15, 2021, 03:59 PM
smschulzI've used a few.
They fit flatter, look nicer but I have had a problem with it staying in.
Works fine when in but can easily fall out during a BCG removal.
It could be I goofed up the end tab or it just may be on a particular carrier - can't remember.
Overall it is a minor annoyance but not a major problem and not on all carriers as far as I remember.
September 16, 2021, 08:29 AM
BennerP220Good info. Thank you.
quote:
Originally posted by smschulz:
I've used a few.
They fit flatter, look nicer but I have had a problem with it staying in.
Works fine when in but can easily fall out during a BCG removal.
It could be I goofed up the end tab or it just may be on a particular carrier - can't remember.
Overall it is a minor annoyance but not a major problem and not on all carriers as far as I remember.
September 17, 2021, 01:27 AM
bubbatimeIts the original design, and would be included with every AR15 every built if not for government penny pinchers getting involved and deciding to save 10 cents per gun.
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