Browning's Integrated Scope Mount System unitizes the ring and base into a single, ultra-rigid unit. The integrated design eliminates alignment problems and the possibility of a loose connection between bases and rings. *Note- This system is not compatible with AB3 or X-Bolt rifles.
Specifications:

Type	2-Piece Base/Rings
Model	Integrated Scope Mount System
Style	2-Piece
Misc	1" Ring
Finish	Black Matte
Material	Aluminum
Pieces	2
Gun Type	Rifle
Mount Type	Screw (4)
Length
Rings Included	Yes
Ring Height	Medium
Mount Height	.500"