TriViz fully adjustable sight set. The triangular sight picture has a natural sight alignment and allows a full view of the target. Fully adjustable rear sight for windage and elevation. Fits most shotguns with ventilated ribs from 1/4 to 3/8 wide with removable front beads. Fits vent-ribbed shotguns from 1/4 to 3/8 (6.3mm to 9.7mm) with removeable front bead.
Specifications:

Type	Fiber Optic Bead
Frame Material
Frame Color	Black
Firearm Fit	Shotgun, Most Rib w/Removeable Front Bead
Base Configuration	Vent Rib
Style
Front Material	Fiber Optic
Rear Material
Front Color	Green
Rear Color
Rail Size
Windage Adjustment
Elevation Adjustment
Fiber Diameter
Firearm Type	Shotgun