3D Printing AR15 Rifle on Desktop 3D Printer

I 3D print a full AR-15 lower receiver from Defense Distributed on an Ultimaker 3D Printer using PLA material. I demonstrate its not as simple as just clicking a button and making a gun however the principal is sound. I also give comparisons to a real S&W AR-15 that I own.\r
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** NOTICE ** \r
The original video was removed by YouTube due to a technicality that I fixed so I had to re-upload it. The video was originally recorded on 4-28-new so that is why the logos and branding are old. This however was a VERY popular video so I wanted to make sure it was re-uploaded for people that enjoyed watching it.\r
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