http://www.defcad.com website has all the models and DIYs for almost every gun ever manufactured.

But if you live in the state of NJ it is being blocked by your state government, you'll need to subscribe to a VPN or you can use your cellphone as a gateway if you have t-mobile or verizon anyway..

"The AR Style FCG Spring Bending Jig "Shuriken" by Forbel is a much more recent release, but we are confident it will soon become a DEFCAD Classic. With a Ghost Gunner it is entirely feasible to manufacture almost every component of an AR-style fire control group, but its not as easy to make the necessary springs. These projects highlight the possibility of a future where builds like the FGC-9 MKII can be manufactured almost entirely with a 3D printer, ECM setup, and a simple mill to help open up the ability for those who want personal defense in regimes that don't allow any trade of firearm-related components. "