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AR10 80% magwell EDM

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10 years 10 months ago - 9 years 5 months ago #33774 by Coner
Replied by Coner on topic AR10 80% magwell EDM
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Last edit: 9 years 5 months ago by Coner.

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10 years 10 months ago #33775 by faawrenchbndr
Replied by faawrenchbndr on topic AR10 80% magwell EDM
The cuts beyond 80% are easily completed with a quality drill press and a two axis vise.
Time and patience are also required.

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10 years 10 months ago #33776 by Akai
Replied by Akai on topic AR10 80% magwell EDM
That's the problem with prototype or one off runs $ :( Now give me an order for 500pcs. and we can start talking :thumbs:

faawrenchbndr wrote: What ever you say,........I have always been told that the end user MUST do all the machining beyond the 80% stage.

Guess the question was worded a bit wrong, start googling EDM. Cost associated with getting that work done will far outweigh the value of the piece in question.

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10 years 10 months ago - 10 years 10 months ago #33777 by SOC
Replied by SOC on topic AR10 80% magwell EDM
MHO on 80% receivers on anything.

I have looked at and continue to look at 80% receivers of all types due to general interest, legality issues, and the fact that they scare the hell out of anti-gunners.

1. Unless you already own all the tools needed (and often even then) you won't save any $ by using an 80% receiver.

2. Bugger it up and you have a paperweight at best and an unsafe firearm at worst.

3. You always have to worry about someone who doesn't know any better making a stink when they see it doesn't have a serial number. This includes most law enforcement and may involve anything from a few questions up to and including a free ride in the back of a squad car while they sort it out.

4. No product warranty of any kind.

Now that we have that out of the way.

1. You have a firearm the government has no record of. Even if you buy a firearm face to face the gun you get has a 4470 for it someplace.

2. Anything DIY is cool.

3. Novelty/Conversation/Because I can, value.

4. They scare the hell out of anti-gunners.
Last edit: 10 years 10 months ago by SOC.

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10 years 10 months ago #33787 by jtallen83
Replied by jtallen83 on topic AR10 80% magwell EDM
You are dead on when it comes to scaring the anti-gun crowd! There was an article about building your own AK-47 in Mother Jones magazine last fall. They obviously were not aware of this 80% law up to that point and were calling on their readership to mobilize and get this "loophole" fixed. They didn't mention one time that these 80% firearms were used in a crime though. Don't be surprised if they start picking on this rule soon.
Myself, it wouldn't matter for me to have an un-serialized weapon. I would be dead when they came for the ones I own with serial numbers,
Molon Labe! :usa:
The following user(s) said Thank You: MrMarty51

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10 years 10 months ago #33833 by mlotziii
Replied by mlotziii on topic AR10 80% magwell EDM
Living in Maryland the 80% option is a nice one because it presumably circumvents the ban that is in place. I've not researched it thoroughly but I'm thinking it is the only way to get an AR these days. Though I've heard about HBars and other variants being sold still.

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10 years 10 months ago #33853 by OleCowboy
Replied by OleCowboy on topic AR10 80% magwell EDM

Coner wrote:

faawrenchbndr wrote: What ever you say,........I have always been told that the end user MUST do all the machining beyond the 80% stage.

Guess the question was worded a bit wrong, start googling EDM. Cost associated with getting that work done will far outweigh the value of the piece in question.


You are correct. However the magwell is not defined in this beyond 80% completion. Nearly all manufacturers of 80% lowers are sold with the magwell completed.

Under $100 for EDM'ing the magwell for the places I've talked to. Whether that outweighs the value of your piece is up for discussion.

Not sure on the mag well, its a high tolerance design as compared to the bolt bore and raceways. I suppose for a $100 bucks its not a big deal but I am not sure of any improvement in accuracy using that approach.

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10 years 10 months ago #33885 by MrMarty51
Replied by MrMarty51 on topic AR10 80% magwell EDM

jtallen83 wrote: You are dead on when it comes to scaring the anti-gun crowd! There was an article about building your own AK-47 in Mother Jones magazine last fall. They obviously were not aware of this 80% law up to that point and were calling on their readership to mobilize and get this "loophole" fixed. They didn't mention one time that these 80% firearms were used in a crime though. Don't be surprised if they start picking on this rule soon.
Myself, it wouldn't matter for me to have an un-serialized weapon. I would be dead when they came for the ones I own with serial numbers,
Molon Labe! :usa:

And that is the reason I feel that obtaining as many of these as possible is of the necessity. It would`nt matter to Me if they are the AR10 in a metal form, or, an AR15 in either metal or polymer.
It will be a matter of time before they all get together and close it up.

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10 years 10 months ago #33886 by MrMarty51
Replied by MrMarty51 on topic AR10 80% magwell EDM

OleCowboy wrote:

Coner wrote:

faawrenchbndr wrote: What ever you say,........I have always been told that the end user MUST do all the machining beyond the 80% stage.

Guess the question was worded a bit wrong, start googling EDM. Cost associated with getting that work done will far outweigh the value of the piece in question.


You are correct. However the magwell is not defined in this beyond 80% completion. Nearly all manufacturers of 80% lowers are sold with the magwell completed.

Under $100 for EDM'ing the magwell for the places I've talked to. Whether that outweighs the value of your piece is up for discussion.

Not sure on the mag well, its a high tolerance design as compared to the bolt bore and raceways. I suppose for a $100 bucks its not a big deal but I am not sure of any improvement in accuracy using that approach.

That is something I too was wondering about.
I know the magwell has to have some sort of a spec. on it, but, get the tolerances too tight, then get into dirty conditions and the mag. might prove to be a bit rough getting out og the well, and or, causing scoring from sand and grit. :shruggingshoulders: :rotfl:

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10 years 10 months ago - 9 years 5 months ago #33922 by Coner
Replied by Coner on topic AR10 80% magwell EDM
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Last edit: 9 years 5 months ago by Coner.

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