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Posted: 3/16/2013 5:36:31 PM EST
So I'm thinking of getting a 80% lower, but I don't have a machine shop, I would need to have it complete, can anyone suggest one?

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Link Posted: 3/16/2013 5:51:16 PM EST
Originally Posted By wtwining:
So I'm thinking of getting a 80% lower, but I don't have a machine shop, I would need to have it complete, can anyone suggest one?


Are you asking for a machine shop that will complete your 80% lower for you? I don't think that's legit.

It can be done with a drill press, and patience. Others have done it with less.
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Link Posted: 3/16/2013 5:52:57 PM EST
It would have to be a machine shop with an FFL, any ideas?

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Link Posted: 3/16/2013 5:55:02 PM EST
[Last Edit: 3/16/2013 5:58:03 PM EST by Enlightenme556]
The point of an 80% is to do it on your own, without an ffl.
Why don't you just buy a lower?
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It doesn't have to be a machine shop with an ffl. You have to press the start button on the machine.
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They sell jigs that make it seem pretty easy to do with a drill press.
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Link Posted: 3/16/2013 7:28:08 PM EST
If you are interested .....
Here is a post with my setup to complete an 80% lower
On a Benchtop CNC Mill...
Also I am using a Tactical Machining Jig.
Taig CNC Mill

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Link Posted: 3/17/2013 5:12:50 AM EST
I wish I would have snagged an 80% GM HydraMatic lower some guy was selling on the EE. He had quite a few and I didn't have the money at the time.
I was issued a GM in Basic and would have loved to had one of those lowers for a project.
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Link Posted: 3/17/2013 6:42:03 AM EST
Can you even find an 80% nowadays?

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Link Posted: 3/17/2013 6:58:25 AM EST
Op, you need to do more research.

a drill press & jig will get you by

Originally Posted By tenOC:
Can you even find an 80% nowadays?


yes
but they are not cheap now. they even pop up on EE
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Link Posted: 3/27/2013 7:02:38 PM EST
Here are some top quality 80% lowers. www.cnc80.com
A lot of added features over your typical forged or billet 80s

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Link Posted: 3/27/2013 7:55:45 PM EST

Originally Posted By JL_Billet:
Here are some top quality 80% lowers. www.cnc80.com
A lot of added features over your typical forged or billet 80s

No contact info whatsoever on the page, just a form to fill out. No thanks.

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Link Posted: 3/27/2013 8:10:42 PM EST
Here's an interesting question concerning 80% lowers. Can the rear section be milled throughout or does it have to resemble the regular production lowers that have that section tapered in ?

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Link Posted: 3/27/2013 9:13:42 PM EST
I'd assume you could mill if however you wanted to, but making it easier for a DIAS might land you with some questioning latter on.

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Link Posted: 3/27/2013 9:17:04 PM EST
Originally Posted By wtwining:
It would have to be a machine shop with an FFL, any ideas?


Then what would be the point in an 80% lower? It would have to be a SOT that is licensed for manufacturing, and they would have to assign a serial number to it...

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Link Posted: 3/28/2013 2:55:39 AM EST
[Last Edit: 3/28/2013 2:55:39 AM EST by Lancelot]
Topic Moved

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Link Posted: 3/28/2013 4:54:20 AM EST
Originally Posted By Pothole:
I'd assume you could mill if however you wanted to, but making it easier for a DIAS might land you with some questioning latter on.


You can have a lower milled out to whatever specs you want. Don't drill it for a sear pin and don't put full auto parts in it. I have several lowers that will accept a DIAS and they left the factory that way.

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Link Posted: 3/28/2013 2:41:49 PM EST
Originally Posted By SandWMandP15Tee:
Here's an interesting question concerning 80% lowers. Can the rear section be milled throughout or does it have to resemble the regular production lowers that have that section tapered in ?


You can machine the fire control pocket any way you want so long as you don't drill the magic hole above the selector.
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