The FatBead is a large diameter fiber-optic bead replacement sight. This sight features Universal threads.
Specifications:

Type
Frame Material	CNC Machined Steel
Frame Color	Black
Firearm Fit	Shotgun
Base Configuration	6-48
Style	Dual Color Fiber Optic Front Sight
Front Material	Fiber Optic
Rear Material
Front Color	Green/Red Fiber Optic
Rear Color
Rail Size
Windage Adjustment
Elevation Adjustment
Fiber Diameter	0.120"
Firearm Type