Rail With Your X-light. The XT00 switch provides reliable, remote activation for any SureFire X-Series WeaponLight attached to any MIL-1913 Picatinny rail. The XT00 features constant-on/off toggle switch and a lockout toggle switch to prevent accidental operation. The XT00 accepts ST07, SR07 and SR07-D-IT and their longer cable models. FEATURESReplaces standard tail cap switch on all X-Series WeaponLightsTitanium latch prevents disengagement from light due to recoilCompatible with ST07, SR07 and SR07-D-IT remote pressure pad assemblies and their longer cable modelsPressure pad snaps onto Picatinny rails SureFire XT00 Tailcap Switch Assembly w/ Disable Mode for X-Series WeaponLights XT00