SureFire replacement rear cap assembly for Scout and executive flashlights — Black Z68, momentary and constant-on switch

SureFire Protective Rear Cap Assy BK is a replacement tailcap that delivers both momentary and constant-on switching with a raised guard to reduce accidental activation for compatible SureFire Scout and executive flashlights.

This black Z68 rear cap assembly from SureFire provides a rugged, serviceable switch module designed to restore or upgrade your flashlight's tail-switch functionality. Machined to fit models that accept a 3/4-inch diameter switch, it’s built to withstand regular handling while keeping the button protected. Whether you need a direct replacement after wear or want the tactile control of a SureFire tailcap, this part offers dependable performance and simple installation.

Will this rear cap fit my SureFire flashlight?

Compatibility centers on tailcap diameter and the platform family. The assembly is designed for flashlights and Scout lights that use a 3/4-inch diameter switch, including many SureFire executive models. Confirm the switch diameter or consult your flashlight model’s parts list to ensure a match.

• Fits Scout Light series and executive flashlights with 3/4-inch switch diameter
• Direct-replacement for worn or damaged tailcaps on compatible models
• Cross-reference with your flashlight model number for precise fit

How does the cap’s switch operate in everyday use?

The tailcap offers both momentary and constant-on modes so you can choose temporary illumination or steady output. The button is recessed with a raised guard around it to reduce unintentional activation when the light is carried or stored. Tactile feedback from the switch makes it easy to tell which mode you’ve engaged without looking.

• Momentary-on for brief signaling or quick checks
• Constant-on for continuous illumination when needed
• Raised guard protects against accidental presses during carry

What materials and durability features should I expect?

Constructed to meet SureFire’s rugged benchmarks, the rear cap is made from durable metals and precision-machined to maintain proper alignment with your flashlight body. The finish resists everyday abrasion and preserves the interface where the switch and body meet. It’s engineered for long-term service life under typical handling conditions.

• Black finish matched to SureFire tactical aesthetics
• Precision machining for secure fit and reliable switch action
• Raised guard and robust construction reduce accidental wear

How easy is installation and maintenance?

Replacing the rear cap is straightforward for anyone comfortable with basic flashlight disassembly. Threads and contacts are designed for clean reassembly; a light cleaning of contact points can help maintain reliable electrical performance. If unsure, consult SureFire support or a qualified technician for guidance.

• Simple swap-out for matching-diameter tailcaps
• Clean contacts with a soft cloth for optimal conductivity
• Refer to SureFire parts diagrams for model-specific instructions

Who is this for? The SureFire Protective Rear Cap Assy BK suits firearm owners, first responders, outdoor enthusiasts, and anyone who relies on a SureFire Scout or executive flashlight and needs a dependable replacement tailcap. It’s aimed at users who want a robust switch with both momentary and constant-on options plus a guard to prevent accidental activation—ideal for everyday carry, professional use, or restoring a trusted light to service.