The Porta-Clip designed for your STX300R will not only save you time and money, it will also give you improved efficiency in the field and reduced or eliminated dropped radio damage. It securely holds your radio, while allowing easy access. Other products are expensive, cumbersome, and wear out quickly. The Porta-Clip is designed to fit your STX300R with a precision hold while still giving you complete functionality. It will outlast and outperform our competitors leather and plastic holsters.