Maxima Grooved Receiver rings are model specific. Made of solid steel, a vertically split ring that handles even the most punishing recoil or large, heavy scopes.
Specifications:

Type	Ring Set
Tube Diameter	30mm
Height	Medium
Size	Ruger Blackhawk/Redhawk
Finish	Black Matte
Style	Quick Detach
Material
Style Description
One or Two Piece
Adaptor Type
Mount Type	Quick Detach
Lock Type