Surefire Exectuvie Flashlights Protective Rear Cap Assembly Black. Z68 The tan Z68 Protective Rear Cap Assembly from SureFire is a pushbutton switch for select flashlights including those in the E-Series flashlights and Scout weaponlights. The two-stage switch provides the lights with momentary and constant-on activation options. This cap features a raised lip around the pushbutton and a lock-out feature that helps to prevent accidental activation of your SureFire flashlight in storage, the field or in a pocket. The assembly is made from the same CNC machined aluminum and tan Mil-Spec anodized finish to match the look and feel of the light it is put on. Featuures: - Mil-Spec Anodized Aluminum - Lock-Out Feature - Color: Black - Fits: Flashlights with .75" diameter switch and Scout Light WeaponLights, including E2L-HA-WH, E1B, E1L-HA-WH, L4-HA-WH, E2D-BK, E2DL-BK, M300A, M600B, M620C KIT01, M620V, , M620C, E1E-HA, M600C Mfg No: Z68 Manufacturer: Surefire