All / Mounts & Adapters / Tube Thread Adapters / 1.625" Diameter All Decorative Tubes Decorative Caps Mounts & Adapters Quick Detach Tube Thread Adapters 1.5" Diameter 1.625" Diameter 1.75" Diameter Direct Thread Reflex Muzzle Devices 1-9/16 to 1-3/8 ADAPTER from $85.00 View Options 1-9/16 to 1-7/16 ADAPTER from $85.00 View Options