Compatible with Most Mossberg 500, 500A, 590, 835 Persuader, Maverick 88 and compatible shotguns with existing holes. Shotguns without existing holes will have to be drilles and tapped.
Material: Aircraft Grade Aluminum
Rail Type: Picatinny/Weaver
No. of Rails: 1
Length: 5.50 inch
Comes With Mounting Screws And Wrench