Motor Reloading Kit : A product manufactured by a commercial manufacturer that contains the components and parts used to reload and reuse a reloadable rocket motor casing
NFPA 1127 Code for High Power Rocketry, 2008 ed. www.loyola.edu/~/media/department/ehs/.../nfpa%20c ode%20list.ashx, (Code: High Pwr Rocketry - Amer) {381 NFC}