All / Mounts & Adapters / Tube Thread Adapters / 1.5" Diameter All Muzzle Devices Mounts & Adapters Quick Detach Tube Thread Adapters 1.5" Diameter 1.625" Diameter 1.75" Diameter Direct Thread Reflex Decorative Caps Decorative Tubes 1-7/16 to Dead Air Adapter $115.00 Select Exterior Threads 1-7/16x20 1-7/16x24 Add To Cart