KAK Making Threaded Uzi Barrels

plumber576

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A couple of months ago, they posted on Reddit asking about Uzi parts people wanted.

Now they've posted a video of their threaded Uzi barrel on Instagram

KAK Uzi Page

I look forward to seeing what else they can make for the Uzi.
 
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ericthered

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Aye. Super cool that they are getting into Uzis. Just seems that if you wanted to find a market and what product is in demand, going to the people that know would be the place to go.
As a younger person that is generally in the social media demographic, I don't use them. And from my observations, generally redditors think that everyone (or at least the ones that matter) are on there or something.
Hopefully kak solves the extractor issue.
 

CKxx

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They also recently released some really cool threaded Sten barrels. I picked one up the day they came out. Works great.
 

rrrgcy

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OT but the test firer in the Instagram video can lose his eyesight without wearing glasses w a badly executed or kaboom-ish test session. Sloppy and they posted it. Cmon guys take care of your people. Despite, Good of them to move on to threads.
 
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K2

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Hi All,

I know nothing about KAK but they do have the 8.5" threaded uzi barrel available (or did earlier today).

Enjoy,

K2
 

redweirdbeard

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Hi All,

I know nothing about KAK but they do have the 8.5" threaded uzi barrel available (or did earlier today).

Enjoy,

K2
They’re still in stock as on now 9pm est. they’re also have a discount code for 15% off. I order one to try it. I’ll report back once I take it to the range.
 

Generalzip

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Anyone know how these compare to pike arms? My pike arms is parkerized in and out which is odd but imagine the inside parkerization will wear off within a few hundred rounds
 
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amphibian

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I like the Pike Arms barrels and their options available. I only like two different suppressor mounting options for the Uzi. 1. 3 lug and I prefer the barrel to be threaded the entire length of the 3 lug adapter so you don't have crap build up inside the adapter and this barrel is too short for that setup.
2. Barrel nut mount that interfaces with the OD of the barrel which won't work with this barrel either unless you make a smooth thread protector to match the OD of a milspec Uzi barrel.

So no appeal for my preferences.
 
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Generalzip

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What’s the issue with carbon build up in the mount? Are you swapping the 3 lug mount to other barrels often? I’d imagine half hour in a sonicator with warm soapy water would remove anything.

For your second point I don’t think I fully understand. Does the normal Uzi barrel interface with the barrel nut? I thought the lug profile “lock in” and the nut just holds it in place.
 
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amphibian

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What’s the issue with carbon build up in the mount? Are you swapping the3 lug mount to other barrels often? I’d imagine half hour in a sonic storm with warm soapy water would remove anything.
I'm talking about in the 3 lug adapter that screws on the barrel itself:
3lug-adapter-fouling.jpg



MEAN-Barrel-3lug_2.jpg

For your second point I don’t think I fully understand. Does the normal Uzi barrel interface with the barrel nut? I thought the lug profile “lock in” and the nut just holds it in place.
thread-protector1.jpg

Gemtech-MK9K-Short-UZI-BarrelNut-Mount1.jpg

UZI-Alpha-Mount.jpg


Sten-UZI-3lug.jpg

Hopefully all those pictures I posted above from my site explain it all.
 

Generalzip

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Makes sense. Does the carbon build up actually cause any issues? I’d only use 3 club so don’t think second point is an issue for my application. Nice work. What thread sealant do you use? Rocksett?
I'm talking about in the 3 lug adapter that screws on the barrel itself:
3lug-adapter-fouling.jpg



MEAN-Barrel-3lug_2.jpg


thread-protector1.jpg

Gemtech-MK9K-Short-UZI-BarrelNut-Mount1.jpg

UZI-Alpha-Mount.jpg


Sten-UZI-3lug.jpg

Hopefully all those pictures I posted above from my site explain it all.
 

amphibian

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Makes sense. Does the carbon build up actually cause any issues?
Gemtech (Dr Dater) used to thread Uzi barrels almost the entire length like this back in the day. If you ordered 3 lug adapters from Tros back then and asked for Gemtech spec, you would get a 3 lug threaded almost the entire length. I prefer to just thread the entire length with a slight recess.
i think it is more about what is optimal and attention to detail. If you had the choice of one that has a free bore condition then finally fills up with rock hard crud vs one that has rifling all the way to the end like a real MP5 barrel which one would you want?
I’d only use 3 club so don’t think second point is an issue for my application. Nice work. What thread sealant do you use? Rocksett?
I just use red loctite and torque it down. Never had one back off
 

Generalzip

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Gemtech (Dr Dater) used to thread Uzi barrels almost the entire length like this back in the day. If you ordered 3 lug adapters from Tros back then and asked for Gemtech spec, you would get a 3 lug threaded almost the entire length. I prefer to just thread the entire length with a slight recess.
i think it is more about what is optimal and attention to detail. If you had the choice of one that has a free bore condition then finally fills up with rock hard crud vs one that has rifling all the way to the end like a real MP5 barrel which one would you want?

I just use red loctite and torque it down. Never had one back off
oh for sure your solution is more ideal. I’m not a machinist so to spend a bunch more money on something I’ll never take off doesn’t make a ton of sense. I guess it also depends if the 3 lug is machined to be square off the back shoulder be internally. Ideally everything is square but I could imagine possibly the back of the 3 lug is more square than internally.

Good to know I’ll use red loctite on mine
 

amphibian

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oh for sure your solution is more ideal. I’m not a machinist so to spend a bunch more money on something I’ll never take off doesn’t make a ton of sense. I guess it also depends if the 3 lug is machined to be square off the back shoulder be internally. Ideally everything is square but I could imagine possibly the back of the 3 lug is more square than internally.

Good to know I’ll use red loctite on mine
Doesn't matter if you are a machinist or not. I didn't have access to a lathe back in the day when I had Dater at Gemtech thread my barrels for me.

All that said, for the UZI, I really like the look of a SHORT barrel nut mount. It is very secure and the most compact.

3 lug is the most convenient though...so best thing is to have both!

Mini-comparison-1.jpg
 

Dirk Hawthorne

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I bought one of these barrels. Thanks for the head's up on it. I never heard of KAK before.

It looks like a nicely made barrel, and it appears to shoot better than any of my other barrels.

My best group so far was a 1.56" 5 shot group at 25 yards with Federal American Eagle 124 grain. That was off of an improvised rest made of wood blocks. Using a red dot sight. And with the suppressor on the gun, which has been driving me nuts.

Most of the groups I shot were in the 2.5 inch range, but I was really tired and letting the gun jump around too much. I also shot some CCI 115gr and some Speer 147gr and they both shot about the same as the federal.

I'm going to try to mount a scope on my UZI and bench rest the gun better and get rid of some of the operator error. I have Leupold slug gun 1-3x scope that might work. If I can get it to work, I'll let you know how it turns out.
 

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