The SureFire ZXBC Z-XBC switch assembly for X-Series weapon lights, including the X300, X400, and XH30, offers ambidextrous control with dual momentary and constant-on push/toggle activation, ensuring smooth operation for both right- and left-handed shooters. Crafted from durable polymer, this black Z-XBC switch delivers lasting reliability in a range of tactical and everyday use conditions, combining a discreet appearance with professional aesthetics. While not compatible with the XH50G, it serves as a precise replacement for the original switch assembly, preserving optimal functionality and performance of your weapon light. Designed to enhance operational efficiency, the ZXBC Z-XBC supports seamless transitions between momentary activation for rapid target engagement and constant-on engagement for extended illumination, making it an ideal upgrade for hunters, law enforcement professionals, and shooting enthusiasts who demand dependable control in critical moments. With SureFires reputation for quality and durability, the ZXBC Z-XBC switch integrates smoothly into your X-Series setup, providing consistent response, minimal downtime, and a clean, professional profile on the firearm.