About Us

Mountain Arc Welding is a fabrication shop in Mountain Home, Idaho, run by Ryan Young. We work in steel and plastic, design in CAD, and print in FDM and resin. If it needs to be cut, welded, printed, or figured out from scratch, it gets done here.

Everything we make has one job: work. Our AR500 double pendulum spinners are built to take hits and swing back for the next shot. Our kinetic exhaust tip, coming soon, turns exhaust flow into three layers of counter-rotating blades. We design it, build it, and test it until it does what it's supposed to do.

We also take custom work. One-off parts, replacement pieces, brackets, prototypes, and printed parts made to fit. Tell us what you need and we'll tell you how we'd build it.