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This product is not compatible with the Protac 2.0 Rail Mount Lights. This adapter requires the use of a Surefire UE or DS tailcap to function, which is not included. The Arisaka Tailcap Adapter allows Streamlight Protac Rail Mount HL-X lights to use...

SureFire makes some of the finest Suppressors, Flashlights, Weaponlights; Lasers, Ear Protection; Firearm Components, and Tactical equipment on the market today.Features :Works with any SureFire weaponlight with a switch socketWeatherproof

This product is not compatible with the Protac Rail Mount HL-X. A separate version for the HL-X is available here. This product is not compatible with the Protac 2.0 Rail Mount Lights, but IS compatible with the Protac Rail Mount 2 Lights. Please double...