Arisaka Tailcap Adapter for Streamlight ProTac HL-X

The Arisaka Tailcap Adapter enables Streamlight ProTac Rail Mount HL-X lights to accept Surefire Scout tailcaps and compatible remote switches. It requires the use of a Surefire UE or DS tailcap to function and does not include the tailcap. The adapter ships with two o-rings (one for CR123 cells and one for 18650 cells) to help prevent battery movement under recoil.

Key Specifications

• Fits Streamlight ProTac Rail Mount HL-X.
• Requires Surefire UE or DS tailcap to operate; tailcap not included.
• Includes two o-rings (one for CR123, one for 18650) to reduce battery movement.
• Not compatible with Protac 2.0 Rail Mount lights.
• Does not work with the Rail Mount HL-X Laser model.
• Color is Black.
• Finish is Anodized.
• Model designation: Tailcap Adapter.
• Product Type: Part.
• Subcategory: Light & Laser Accessories.

This adapter offers a practical solution for operators and technicians who need to integrate Surefire-style tailcaps and remote switches with Streamlight ProTac HL-X lights. By addressing the common issue of battery movement with the included o-rings and expanding switch compatibility, it adds useful interoperability to an existing light setup without permanent modification. It's a straightforward component for builders and end users focused on reliable, adaptable gear.