Hi-Viz Birdbuster, Magnetic Front Shotgun Sight, Fits Ventilated Ribs 1/4"-3/8" Width, Red/Green Finish BB2005
Specifications:

Type	Fiber Optic Bead
Frame Material
Frame Color	Black
Firearm Fit	Shotgun
Base Configuration	Magnetic
Style
Front Material	Fiber Optic
Rear Material
Front Color	Green/Red
Rear Color
Rail Size	.25" to .375"
Windage Adjustment
Elevation Adjustment
Fiber Diameter
Firearm Type	Shotgun