Our most economical magnetic sight, the S-Series offers the bare basics to a shooter who knows exactly what color sight he likes. This sight presents a bright, affordable sight picture to any shotgun shooter. LitePipes are not interchangeable, so what you see is what you get. Wide Model (S400) fits ribs from 0.328 to 0.437 (21/64 to 7/16) (8.3mm to 11.1mm).
Specifications:

Type	Fiber Optic Bead
Frame Material
Frame Color	Black
Firearm Fit	Win Post-1964 Auto & Pump, Mossberg Unported
Base Configuration	Magnetic
Style
Front Material	Fiber Optic
Rear Material
Front Color	Green
Rear Color
Rail Size	.328" to .437"
Windage Adjustment
Elevation Adjustment
Fiber Diameter
Firearm Type	Shotgun