Enhance the functionality of your XSeries Weapon Lights with the SureFire ZXBC Switch Assembly in sleek black. Specifically designed as a replacement for the original switch assembly in the X300 X400 and XH30 series this assembly offers ambidextrous dual momentary and constant-on push-toggle switch activation for seamless operation. Crafted from durable polymer it provides robust performance in demanding conditions. Available in both black and tan the ZXBC ensures precision and reliability for your tactical needs. Please note this assembly is not compatible with the XH50G Weapon Light.