make your own AR receiver

[FredVegas]

http://www.thingiverse.com/thing:11770

Not a huge fan of plastic lowers, but at a cost of ~$10 in ABS plastic I'd be willing to give one a chance to prove me wrong. Does someone here own a 3D printer?

[SHMIV]

I don't own one, but the concept is interesting. I think that someone here posted something, a while back, about printable magazines, too.

[FredVegas]

I don't own one, but the concept is interesting. I think that someone here posted something, a while back, about printable magazines, too.

There is a printable 10rd on thingiverse right now, but at less then $15 for a quality magazine it seems like a novelty. I haven't seen an AR receiver for under $60 plus transfer. (~$75)

If no one has a makerbot or other 3d printer, I may try to access the herndon maker-space. Been wanting to try it anyway.

[ Post made via Mobile Device ]

[sdlrodeo]

I can't see why it wouldn't work as a dedicated .22LR.

I'd buy one.

[jdonovan]

Not a huge fan of plastic lowers, but at a cost of ~$10 in ABS plastic I'd be willing to give one a chance to prove me wrong.

Whats left to prove? A guy over on ar-15.com already printed it out, and used a 5.56 upper on it, and it worked. Oh and he still has all his hands/fingers/eyes etc....

[FredVegas]

reliability is what's left to prove. I don't think many gun enthusiasts are happy with a firearm that will fire most of the time, and break in two when it does inevitably fail. $10 makes it a fun range toy, but the time I would spend swapping out a lower parts kit to a new lower every ~2000 rounds takes away some of the appeal. I'd like to see an AR-10 .308 polymer lower stress tested. A reliable one for ~$15 would be a great deal.

[jdonovan]

reliability is what's left to prove.

Currently available 3d-home printers don't have a sufficiently strong plastic available to make a long-term reliable lower.

There are some industrial printers that can do a strong/reliable part, but my understanding is the cost per unit is much higher than just using a CNC mill to cut the lower out of an aluminum forging.