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  #121  
Old 06-23-2011, 4:15 PM
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Just a quick question about the etching process, first a backstory: I painted my AR and noticed that a couple of the makers marks and part of the serial number aren't as deep as other marks (rolled not stamped or etched?) they are kinda visible but I'd feel waaay better about it if they showed up better. I'd hate to bump into someone claiming I was trying to obscure the serial number. So here's my question. If i were to take a needle or razor blade and carefully take the paint out of the serial numbers would the paint (assuming I only remove it carefully) protect the rest of the lower from the etching process? Nice job by the way, gave me a few ideas for the right side of my magwell.
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  #122  
Old 06-23-2011, 4:51 PM
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Quote:
Originally Posted by duggan View Post
Just a quick question about the etching process, first a backstory: I painted my AR and noticed that a couple of the makers marks and part of the serial number aren't as deep as other marks (rolled not stamped or etched?) they are kinda visible but I'd feel waaay better about it if they showed up better. I'd hate to bump into someone claiming I was trying to obscure the serial number. So here's my question. If i were to take a needle or razor blade and carefully take the paint out of the serial numbers would the paint (assuming I only remove it carefully) protect the rest of the lower from the etching process? Nice job by the way, gave me a few ideas for the right side of my magwell.
You would have to completely strip it... and I don't mean JUST the paint.

Not only would the paint prevent etching, the factory anodized layer will also prevent etching.
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  #123  
Old 06-29-2011, 9:37 AM
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Building has been real slow due to the fact it’s been hard to get entry level uppers. My last order from Del-Ton took over 9 weeks and even then they only shipped about half the order.
Here’s a couple we’ve done lately.

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Last edited by VaderSpade; 06-29-2011 at 9:39 AM..
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  #124  
Old 06-29-2011, 9:47 AM
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Default I agree... sticky this thread!

I agree... sticky this thread!
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  #125  
Old 07-06-2011, 12:44 AM
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Thats what im talking about. AR build party at your house!!

All I ever see is build partys for AK's.

I am about to do this same thing except the anodizing. I don't think I can handle all this master craftsman stuff you make look easy. 8)
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  #126  
Old 07-06-2011, 3:41 PM
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Yet another vote to sticky this. If I've completed an anodized 80%, does it need to be re-anodized where it was milled? If so does it need to be stripped first?
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  #127  
Old 07-06-2011, 7:26 PM
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I think he mentioned something about this in a previous post and if I remember correctly I think it does. Because you can't anodize over something that is already anodized. Correct me if I'm wrong.

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  #128  
Old 07-07-2011, 6:51 AM
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Yet another vote to sticky this. If I've completed an anodized 80%, does it need to be re-anodized where it was milled? If so does it need to be stripped first?
It doesn’t NEED to be anodized inside the fire control pocket.
I would just paint it.
If you do decide to anodize it you will need to establish an electrical contact which would be tough. A spot weld would be best.
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  #129  
Old 07-16-2011, 10:03 PM
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Vader,

*Can you use blue tape, maybe two layers for a stencil?

*The link to the vinyl you used no longer works. They may have adjusted the website. Is this the proper material?
http://www.uscutter.com/GreenStar-In...Roll-GSSIC2410

*Also wondering if this calendered vinyl is adhesive on one side(just wondering how the hell you got the centers to the A's to stay put?
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  #130  
Old 07-17-2011, 7:13 AM
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Two layers of blue tape may work; I would test it on some scrap. Greenstar vinyl works fine, but (so far) I found the cheaper the vinyl the better it works. The “good stuff” is a little too flexible and hard to work with, but it works.
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  #131  
Old 07-17-2011, 8:25 AM
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In your pics it looks like it is but it doent say on the website. Is the vinyl adhesive on one side?

Also wheres the cheaper stuff?
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  #132  
Old 07-17-2011, 9:06 AM
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Yes it is adhesive on one side. U.S. cutter has stopped carrying the cheap stuff it seems. I found some on eBay but that’s a crap shoot. Shoot me your mailing address and I'll send you an envelope full.
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  #133  
Old 07-17-2011, 9:16 AM
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Okay sweet! PM sent.
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  #134  
Old 07-19-2011, 12:43 AM
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Is there anyone doing an 80% party? Would like to do my first with some experienced guidance. Any happening in the SF/Bay Area?
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  #135  
Old 07-19-2011, 5:31 PM
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Discussed in another thread.

The problem is the logistics of getting the tooling all together in one place.
How many people are willing to bring mills? One mill = maybe 3 completed lowers in a day.

80% AR lowers aren't like an AK build party where they can be built with little more than a big hammer.
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Originally Posted by dantodd View Post
A just gov't will not be overthrown by force or violence because the people have no incentive to overthrow a just gov't. If a minority of people attempt such an insurrection to grab power and enslave the people, the RKBA is our insurance against their success.
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  #136  
Old 07-19-2011, 7:33 PM
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My latest canvas;
I found a source for a few un-anodized uppers. I can't wait to etch a pattern that continues from the lower through the upper. I also plan to try some two color anodizing. I’m very busy at work right now, but I’ll start a new thread when I get going on this project.
My source for these uppers is only putting out a few uppers per month and so far I’ve bought nearly all their stock. They ask me not to spread the word before they build up a little inventory.
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  #137  
Old 07-19-2011, 8:19 PM
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A few more pictures of these nice uppers.



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  #138  
Old 07-21-2011, 1:08 AM
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Great post. Thanks Vader. I'm sure my buds and I will be referring to this thread a lot as I have just ordered 6 80% lowers from TM.
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  #139  
Old 07-22-2011, 5:38 PM
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Quote:
Originally Posted by Cokebottle View Post
Discussed in another thread.

The problem is the logistics of getting the tooling all together in one place.
How many people are willing to bring mills? One mill = maybe 3 completed lowers in a day.

80% AR lowers aren't like an AK build party where they can be built with little more than a big hammer.
Hammer ya right!! with all the tools needed to build an AK lower you could afford to buy a mini mill for sure. I personally think its harder to build an AK. I finished up my 80% using a drill press and dremel. It took me two days basically but it works..
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  #140  
Old 07-22-2011, 5:38 PM
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Also thanks vader for those vinyl pieces!!
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  #141  
Old 07-22-2011, 6:03 PM
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Originally Posted by bravosd6 View Post
Hammer ya right!! with all the tools needed to build an AK lower you could afford to buy a mini mill for sure. I personally think its harder to build an AK. I finished up my 80% using a drill press and dremel. It took me two days basically but it works..
AK lower can be built with less than $500 worth of tools if you have a friend with a spot welder... cheaper if you buy used, and even cheaper if you have some scrap steel and build your own hydraulic press from a bottle jack.

Rivets can be set with a modified bolt cutter.
The only specialized tools needed are a spot welder and the flat bending jig... and some have recently been using a bending brake successfully.
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Originally Posted by dantodd View Post
A just gov't will not be overthrown by force or violence because the people have no incentive to overthrow a just gov't. If a minority of people attempt such an insurrection to grab power and enslave the people, the RKBA is our insurance against their success.
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  #142  
Old 07-22-2011, 6:26 PM
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Still $500 will get you a decent used mini mill
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  #143  
Old 07-22-2011, 7:07 PM
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Define "decent"
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Quote:
Originally Posted by dantodd View Post
A just gov't will not be overthrown by force or violence because the people have no incentive to overthrow a just gov't. If a minority of people attempt such an insurrection to grab power and enslave the people, the RKBA is our insurance against their success.
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  #144  
Old 07-22-2011, 8:32 PM
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http://www.amazon.com/Grizzly-G8689-.../dp/B0000DCZ7E

Vader,

I don't having any scrap alum. so I just used this part that I had planned to use as a sort of finger traction(jimping).

I used the same method as you said to use. I used a manaul car charger. 12V @ 6amps. I did multipul slow passes with the clip half way and sometimes closer to the cotton tip. I also hooked the possitive to the frame(pistol grip piece).

It was not as deep as yours..? What am I doing wrong? Do I just need to go slower or make more passes. I spend about half an hour just on that only little piece.





I can feel it. It feels about the thinkness of a thiner piece of paper. Something like a reciept paper.. Yours look quite a bit deeper.
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  #145  
Old 07-22-2011, 11:03 PM
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If you’re sure the positive clip was on the lower the only thing I can think of is MORE POWER, and more time. I’m using 10-15 amps, less amps=more time.
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  #146  
Old 07-22-2011, 11:19 PM
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It was hardly bubbling. When I would put the clip closer by placing it more toward the end of the tip it would bubble and steam a little more. It would also make a slight hissing sound. I don't have any other charger so Im going to have to look around or something.

Which charger or system are you using? Also will it go even deeper if I use more amps than even you are using?
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  #147  
Old 07-23-2011, 5:12 AM
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I'm using a 15 amp charger and wide lines like these go fairly quickly. I have a friend that's using 35 amps. His etching goes fast but he tends to melt the stencils.
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  #148  
Old 11-21-2012, 6:30 PM
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Here are the instructions I get ask for once a week, although build parties are the way to go while you still can.
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  #149  
Old 12-06-2012, 3:45 PM
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Vader awesome thread btw. Great info.
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  #150  
Old 12-19-2012, 12:27 PM
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With this supposed "gun Ban" coming our way, what are the odds of this product/service you provide VaderSpade to become illegal?

Just trying to figure out if it is worth investing in the tooling and 80% lowers is all?

Thanks
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  #151  
Old 12-19-2012, 12:30 PM
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Quote:
Originally Posted by joe blow View Post
With this supposed "gun Ban" coming our way, what are the odds of this product/service you provide VaderSpade to become illegal?

Just trying to figure out if it is worth investing in the tooling and 80% lowers is all?

Thanks
Engraving illegal? That's funny.

As to the rest of the topic that you hint at: If our crystal ball worked that well we would all be independently wealthy already.
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  #152  
Old 02-05-2013, 1:31 PM
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I need an address to ship 2 lowers to you.
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