3D printed AR mag cycles 342 rounds

The guys behind the printed lower and mags are being harrassed daily with death threats. They are not doing anything really new there just being very public about it. 3d printing is the future period. The company i work for has already helped a company build a 3d printing welding machine, its used for down hole tools. Using carbide to build up layers. Defcad was formed when basically the entire system of the open community stopped supporting them, they are even mentioned in some of the recent ramblings regaurding the awb.

Here is a really great interview and post on whats going on with the defcad guys.

ht tp://blog.makezine.com/2013/02/07/the-face-of-printable-firearms-a-conversation-with-cody-wilson/

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Unless you're making a 5/5 magazine, the way the laws are interpreted by the RCMP these days, you wouldn't be able to legally make a 5/30 magazine in Canada. Basically, just manufacturing a standard capacity body without a pop rivet in it would be manufacturing a prohibited device in their eyes (whether the charges would hold up in court or not who knows, but I'd rather not be fronting the legal fees to find out). All magazines coming into Canada have already been blocked before they cross the border.
 
There are already processes such as selective laser sintering that will 3D print metal parts that apparently are very strong. Things are going to get very interesting when those machines become affordable to the enthusiast.

You could sort of make a 5/30 mag by designing the blocker right into the mag body and leaving the mag body and spring full sized.
 
mechanik said:
There are already processes such as selective laser sintering that will 3D print metal parts that apparently are very strong. Things are going to get very interesting when those machines become affordable to the enthusiast.

You could sort of make a 5/30 mag by designing the blocker right into the mag body and leaving the mag body and spring full sized.
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There are a few projects right now that are working on home SLS printers btw.

But until that happens, it should be noted that new extruders for current FFF printers are being developed, and will finish said development soon, that can print at much much higher temperatures.
I believe the one that I'm thinking of will be able to heat up to 400-500 degrees celcius, so that opens up a world of much stronger polymers. (Current printers hit around 150-300 degrees celcius.)

It will probably not be very long until we see home FFF printers use metal.
 
cancer said:
Unless you're making a 5/5 magazine, the way the laws are interpreted by the RCMP these days, you wouldn't be able to legally make a 5/30 magazine in Canada. Basically, just manufacturing a standard capacity body without a pop rivet in it would be manufacturing a prohibited device in their eyes (whether the charges would hold up in court or not who knows, but I'd rather not be fronting the legal fees to find out). All magazines coming into Canada have already been blocked before they cross the border.
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I think it would probably be trivial to print a 5/20 or 5/30 with an internal ramped one-way tab(s) added. No need to rivet anything.
 
Rallix said:
Really? What kind of results did he get?

By the way, some of you may have noticed that the original video they uploaded which was removed by YT, has been un-removed by YT.
Justice prevails.
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first one was a test of fit and function, I am not sure if he used them at the range. What it did do is save a lot of time and money in prototyping.
 
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