Where to find rail system for mossberg 500

[Icontractor82]

Hi guys

Looking for a rail system similar to the blue aces /Harris rail system for mossberg 500 rem 870.

Where can I purchase this?

http://www.harristacticalonline.com/Full-Quad-Rail-System-for-Mossberg-500-and-590-Shotguns-BAT-MOSS-500-Rail.htm

 

[ADK]

S&J Hardware or Taccessories Canada (see dealer network, top left of page). If they don't have it in stock I'm sure they could order it.