Sarco kit / Sarco Receiver Buil ?'s

[ProudCR]

Hello all. New guy here trying to figure out how to assemble/build a semi-auto compliant Uzi. I have allot of questions and have been searching here allot for the answers. I found some answers, but am not familiar enough with this weapon to be sure that I am correct. So instead of assuming, I thought I had better ask. Please bare with me if this has been covered before.
1)Can I build a semi auto from a Sarco parts kit and a Sarco Receiver? I know I will need a semi bolt and fireing pin. +US parts
2)Can I use a $40.00 receiver shell and transfer the Sarco kit parts into it? ie- sights F&B, top cover, trigger asmbly. and barrel/barrel nut and the part the barrel nut screws onto (trunion?) and then buy a semi bolt and fireing pin asmbly.
3)Can I make any parts and call them US made? ie- trigger parts, recoil spring and rod, stock. and add an exstention to the barrel and call it US.
4) If I re-configure the auto bolt to semi is this now a US part?
5) Do I have to fill out/submit any forms to assemble a semi-auto Uzi?
I am still searching things out but if someone can steer me along here, I'll be able to move along a little quicker. I have assembled AK parts kits and have access to welders and a machine shop. I am excited to get started and would appreciate any help or advice I can get.
TIA
ProudCR :)

[KarlPMann]

Originally posted by ProudCR
Hello all. New guy here trying to figure out how to assemble/build a semi-auto compliant Uzi. I have allot of questions and have been searching here allot for the answers. I found some answers, but am not familiar enough with this weapon to be sure that I am correct. So instead of assuming, I thought I had better ask. Please bare with me if this has been covered before.
1)Can I build a semi auto from a Sarco parts kit and a Sarco Receiver? I know I will need a semi bolt and fireing pin. +US parts

There are a few issues. Is the Sarco parts kit a semi auto parts kit? I'm under the impression that they aren't. If not, you'll need to get rid of the FA parts or modify them. The barrel, lower, sear, top cover, bolt, and selector switch. And yes, the US made parts. If you could just so happen to find those particular parts made in the US, you'd be good to go. But that aint happening too easy if at all. You will most likely need to replace those parts plus a couple more with US made.

2)Can I use a $40.00 receiver shell and transfer the Sarco kit parts into it? ie- sights F&B, top cover, trigger asmbly. and barrel/barrel nut and the part the barrel nut screws onto (trunion?) and then buy a semi bolt and fireing pin asmbly.

Yes, but that's some pretty serious work. You'd have to get a few parts out of the old receiver peices first. That means lots of Dremel time and bunches of cutting/grinding bits. Then some welding and the hard part is getting the barrel/trunion/rear lug all lined up right.

3)Can I make any parts and call them US made? ie- trigger parts, recoil spring and rod, stock. and add an exstention to the barrel and call it US.

Yes, you can. Also, enough modification MAY constitute US made but ATF would need to decide that part.

4) If I re-configure the auto bolt to semi is this now a US part?

Yes, but that aint likely to happen. Neglecting the possibility that you have a mill and a way to heat treat the bolt. The bolt is VERY hard. The cost of cutters for a good milling machine are expensive and are easily damaged on metal that is as hard as those bolts.

5) Do I have to fill out/submit any forms to assemble a semi-auto Uzi?

No. You used to have to, but ATF quit that IIRC. You do need to put a serial number and your name and city on the receiver if it doesn't already have that (it should).

I am still searching things out but if someone can steer me along here, I'll be able to move along a little quicker. I have assembled AK parts kits and have access to welders and a machine shop. I am excited to get started and would appreciate any help or advice I can get.

Just need a way to heat treat if you want to change the bolt. Just buy the SA bolt.

TIA
ProudCR :)



Karl.

[ProudCR]

Thanks Karl. I think I get the picture. My Sarco kit is not a semi-auto. I will take your advice and information and see what may be most feasible for me. I am sure that I can do it either way (receiver types). I think I will have to investigate more of the difference between the actual semi parts verses the actual auto parts to see their differences.( trigger parts etc). As far as the bolt is concerned I think I will try to convert mine. I will just have to find a drawing with dimensions. If I can't mill it, then I will see if it can be plunger EDM'd. If it can't be EDM'd then I will exchange it for a semi.
I think I will start with taking apart the rear lug and sights from the receiver parts, then move onto the trunion, then the lower and trigger parts. Once it is broken down, I think I will have a better understanding of what may be more feasible.
Thanks again,
ProudCR
PS- The best part is knowing that it can be done. I'll report my progress as I go along.:)
PSS- Is a Sarco kit a model A ? Or does the receiver dictate the model?

[KarlPMann]

Again, a Sarco kit is for a FULL AUTO. A Model A was/is semi auto. Karl.

[KarlPMann]

Main difference between models was the sights. Also things that couldn't be seen like welds and such. Karl.

[mark214]

Check my post under "my new receiver" it shows the $40 before and after.

I am using a Sarco kit for some parts.
The lower with the selector modified, a US sear and a block to restrict the selector like me SA models.
The top cover without the ratchet, stock, sights, bbl nut assy.

With a US bolt/striker, receiver, sear, grips, forearm, bbl and maybe the trunion if we hear from mad mike I am good to go.

The only parts you can't use are the barrel and bolt if you can
find someone to buy those like I did you can save some money.

[Quarterbore]

Originally posted by mark214
Check my post under "my new receiver" it shows the $40 before and after.



Here is the link: http://www.uzitalk.com/forums/showthread.php?s=&threadid=1923

Is this receiver considered a Title 1 firearm or is this an 80% non-gun? I can't seem to find it on Sarco's website... I am quite interested in this project as I also have a couple UZI parts kits and I am actually auctioning one of them off on ebay.... http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=588&item=2180566892.

With a full auto Vector on the way I am not sure I can afford to keep all my projects... hence I need to sell a few of these projects off :(

[ProudCR]

Thanks for clearing up the model "A" thing. I wasn't sure if it was a different firearm that would not have interchangeable parts.
The pics of the completed receiver really look good. Did GI also modify your lower? Or is that done somewhere else?
Sarco's origonal IMI semi- receiver is listed in SGN and is $295.00. I am still undecided with witch way to go on this. You can call Sarco and ask for Machinegun Dave. I think he handles the Uzi receivers.908-647-3800.
Is there a reason the barrel cannot be used? Can't it have an exstension attached? Or is there Trunion or other issues?
Thanks for the help so far.
ProudCR:)

[KarlPMann]

You could do an extension on the barrel, but you also would need to turn the barrel down to fit into the trunion and rear berrel lug of the semi auto receiver. The barrel is easy to turn on any lathe, it isn't as hard as the bolt. Karl.

[mark214]

Originally posted by Quarterbore
Here is the link: http://www.uzitalk.com/forums/showthread.php?s=&threadid=1923

Is this receiver considered a Title 1 firearm or is this an 80% non-gun? I can't seem to find it on Sarco's website... I am quite interested in this project as I also have a couple UZI parts kits and I am actually auctioning one of them off on ebay.... http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=588&item=2180566892.

:(

If you look at the photo I posted the unfinished receiver does have a serial number and is considered a firearm.
The GI receivers seem to have a different status than normal 80% receivers. KY sells the now and they have to be transfered via a FFL.