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  #1  
Old 01-29-2019, 9:04 AM
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Default Converting full-auto Uzi parts to semi-auto - Updated with parts list

Update with parts list in post #5

I am in the process of collecting the parts to make a semi-auto Uzi pistol. There are several YouTube videos on how to convert the bolt to semi-auto configuration, but I also ran across an article that says that ATF prohibits converting the SMG bolt for use in a semi-auto firearm.
I've tried searching the ATF website for information but with no luck.

Does anyone have solid information concerning this?

Quote:
* FULL AUTO PARTS - if you get the full auto SMG bolt or SMG barrel in your parts kit you can't use them. Period. You can't modify it unless you want to be a felon. Just trade it in (DandD sales and other uzi parts dealers will give you a credit for the SMG bolt, or SMG Barrel if you get one) You also can't use the SMG trunnion from the parts kit. The BATF won't like you if you do that.
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Last edited by Flintlock Tom; 03-24-2019 at 1:07 PM..
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  #2  
Old 01-29-2019, 10:07 AM
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BS, you can convert.

Drilling for the FP requires skill, though. Can't just mill a slot for the blocker bar and leave the fixed FP.
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Old 01-29-2019, 10:47 AM
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You can legally convert. All the century UC9's have a converted bolt. Now, converting an Uzi bolt sucks. It needs to be annealed so you can machine it, mill the denial channel, weld up the FA sear catches and center drill for the firing pin. Then re-heat treat.
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Old 01-29-2019, 1:06 PM
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Quote:
Originally Posted by Flintlock Tom View Post
I am in the process of collecting the parts to make a semi-auto Uzi pistol.
There are several YouTube videos on how to convert the bolt to semi-auto configuration, but
I also ran across an article that says that ATF prohibits converting the SMG bolt for use in a semi-auto firearm.
Quote:
* FULL AUTO PARTS - if you get the full auto SMG bolt or SMG barrel in your parts kit you can't use them. Period. You can't modify it unless you want to be a felon. Just trade it in (DandD sales and other uzi parts dealers will give you a credit for the SMG bolt, or SMG Barrel if you get one) You also can't use the SMG trunnion from the parts kit. The BATF won't like you if you do that.
Companies that will give you a trade-in credit for the full auto parts are likely converting those parts to semi-auto parts for resale.
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  #5  
Old 03-22-2019, 3:48 PM
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At the beginning, if I had taken a moment to add up the cost of parts I might have just shopped for a full gun...

IMI Uzi semi-auto, 9mm -Cost- -(Shipping)-
1. Parts kit, used, IMI - Israeli Military Industries $149.00 (4.00)
2. Semi-auto receiver, Mckay Ent. $289.00 (24.45)
3. Semi-auto bolt and striker assembly $280.00 (10.00)
4. 10.5 9mm barrel $119.00 (5.50)
5. Buffer block $16.99 (5.83)
6. Magazine $12.95 (4.50)
7. Transfer fees $20.00

Total $921.22

Top: Unfinished semi-auto receiver from Mckay Ent.
Bottom: Finished in semi-auto pistol configuration

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Old 03-22-2019, 3:52 PM
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Quote:
Originally Posted by Flintlock Tom View Post
At the beginning, if I had taken a moment to add up the cost of parts I might have just shopped for a full gun...

IMI Uzi semi-auto, 9mm -Cost- -(Shipping)-
1. Parts kit, used, IMI - Israeli Military Industries $149.00 (4.00)
2. Semi-auto receiver, Mckay Ent. $289.00 (24.45)
3. Semi-auto bolt and striker assembly $280.00 (10.00)
4. 10.5” 9mm barrel $119.00 (5.50)
5. Buffer block $16.99 (5.83)
6. Magazine $12.95 (4.50)
7. Transfer fees $20.00

Total $921.22

Top: Unfinished semi-auto receiver from Mckay Ent.
Bottom: Finished in semi-auto pistol configuration

You don't build guns to save money.
You build guns for the experience.
It's almost always cheaper to buy a finished gun than to build it yourself.
The exception is rare variants that are very collectible or otherwise unobtainable.
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Old 03-22-2019, 4:21 PM
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Quote:
Originally Posted by ar15barrels View Post
You don't build guns to save money.
You build guns for the experience.
It's almost always cheaper to buy a finished gun than to build it yourself.
The exception is rare variants that are very collectible or otherwise unobtainable.
Yup.
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Old 03-30-2019, 9:04 AM
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I have been looking for a semi-auto bolt/striker setup for quite a while now seems they are never in stock or ridiculous expensive where did you get your? I've looked into converting a bolt. I've been reading that they are heat treated but I took a pocket knife to the side and it scratched like it was 1018 mild steel I've got some carbide cutters in the mail to see if I can destroy the FA pin and drill a clean hole for a semi striker of my own design.

If anyone has dimensions for a semi bolt (specifically the semi cut on the lower left side ) I would be appreciative or the striker assembly. I'm thinking about building my own with a surplus AR-15 firing pin.
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  #9  
Old 03-30-2019, 9:41 AM
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Quote:
Originally Posted by repoman1984 View Post
If anyone has dimensions for a semi bolt (specifically the semi cut on the lower left side ) I would be appreciative or the striker assembly. I'm thinking about building my own with a surplus AR-15 firing pin.
You can come measure my semi-auto bolt & parts if you like.
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  #10  
Old 04-01-2019, 9:30 AM
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US Barrel Shrouds just got these back in stock...

https://shop.usbarrelshrouds.com/Uzi...olt-_p_52.html
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