HIVIZ has something for every shotgun, including shotguns without ribs. this simple snap-on sight offers the LitePipe interchangeability that HIVIZ is known for in a strong, easy-to-attach design for any plain-barrel gun. Offered with two different diameter green and red LitePipes. Fits all 12, 16, and 20 gauge plain barrel shotguns. Fiber Diameter: 0.135"/0.175".
Specifications:

Type	Fiber Optic Front
Frame Material
Frame Color	Black
Firearm Fit	Shotgun Plain Barrel
Base Configuration	Magnetic/Snap-On
Style	Fiber Optic Bead
Front Material	Fiber Optic
Rear Material
Front Color	Green/Red
Rear Color
Rail Size
Windage Adjustment
Elevation Adjustment
Fiber Diameter
Firearm Type	Shotgun