The Shotgun Receiver Mount is a compact red dot mount for popular red dot optic models without having to machine the receiver.
Specifications:

Type
Frame Material
Frame Color
Firearm Fit	Remington 870/110/11-87/Versamax
Base Configuration	To Receiver/ 4-Post Mounting System
Style	1-Piece
Front Material
Rear Material
Front Color
Rear Color
Rail Size
Windage Adjustment
Elevation Adjustment
Fiber Diameter
Firearm Type	Shotgun