Hi-Viz Magnetic Sight, Fits Narrow Shotgun Rib .219"-.312", 4 Color M300
Specifications:

Type	Fiber Optic Front
Frame Material
Frame Color	Black
Firearm Fit	Shotgun
Base Configuration	Magnetic/Snap-On
Style	Fiber Optic Bead
Front Material	Fiber Optic
Rear Material
Front Color	Green/Red
Rear Color
Rail Size	.218" to .328"
Windage Adjustment
Elevation Adjustment
Fiber Diameter
Firearm Type	Shotgun