Hiro, the Action Sports Quad Airframe (Hunter Orange) Rugged, crash-resistant F450 quadcopter airframe. More than three years of testing, including drone combat, abuse by baseball bats, fire, and even shotgun blasts. Unique monocoque design of proprietary military-grade polymer alloys offers protection to internal components. Easy-to-see color. Made in USA. Perfect for drone pilot tired of breaking frames and rebuilding drone due to frame failure. Battle tested, pilot approved.