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Nylaug: KAK Barrel Go/No-Go Test (fosscad.io)

submitted 1 month ago by noah@fosscad.io to c/ark@fosscad.io

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Originally posted by u/ilovedogsandtits at 2025-06-30T19:02:37Z

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Hey squad - My KAK barrel for a Nylaug build is passing on both Go and No-go gauges. Is this normal for the KAK Nylaug builds?

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[–] noah@fosscad.io 1 points 1 month ago (1 children)

u/K1RBY87 · 2025-06-30 19:27:27 UTC · score 3

https://www.youtube.com/watch?v=pcVh-XBOLKg&t=51s

[–] noah@fosscad.io 1 points 1 month ago (2 children)

u/ilovedogsandtits · 2025-06-30 19:31:00 UTC · score 1

Thanks for the link, yes I’ve tested headspace before. The bolt turns freely with the no-go gauge.

[–] noah@fosscad.io 1 points 1 month ago (1 children)

u/ilovedogsandtits · 2025-06-30 19:32:43 UTC · score 2

@KAKindustry Any recent head spacing complaints?

[–] noah@fosscad.io 1 points 1 month ago

u/KAKindustry · 2025-06-30 23:53:12 UTC · score 1

no, none.

are you using 556 gauges or 223 gauges? there is a difference

[–] noah@fosscad.io 1 points 1 month ago

u/K1RBY87 · 2025-06-30 19:45:56 UTC · score 1

Yeah you need to call KAK - that's not right....

[–] noah@fosscad.io 1 points 1 month ago

u/deerslayer358 · 2025-06-30 19:48:05 UTC · score 3

I would add a layer of scotch tape to the rear of your go gauge and try it. Keep adding layers till the bolt won't engage and get a feel for how far out it is. Then if you contact KAK you have a number to tell them instead of it just closes on the no go. Might not be that helpful but it won't hurt anything and isn't hard to do. If you do this with your go gauge it will verify that your no go gauge is in correct.