#Mold
3D Castings of Wound Cavities by AmVIEWnition
A company called AmVIEWnition makes 3D castings of wound channels of different handgun cartridges. These cast wound channels are called “3D Solo Blast”. These are intended for educational purposes to better understand the terminal ballistics of different projectiles.
Cast Mold Your Own AR Lower Receiver
80% lowers are all the rage for the do-it-yourself types or those wanting to avoid the prying eyes of the US Government. The lowers are effective, but always require a machine to be able to finish (including the polymer lower receivers). Out to change that requirement and lower the barrier to entry to non-technical folk is AR15mold.com, which has created a home casting kit for their polymer receivers.
