Mount Rings M1
Red Win 30mm High Profile One Piece 0 MOA Mount Rings Fit Picatinny Rail Max 65mm Scope Objective Lens For .223 .308 .338 Cal.
Material: T6061 Aluminum
Finish: Black matte with hard anadizing
Profile: 40mm / 1.6", from Bottom to Ring Center
Overall Length: 141mm / 5.6"
Gap Length: 61mm / 2.4"
Weight: 245g / 8.6oz
Mountinng: 21mm Picatinny
designed for .223, .308win, .338 Lapua magnum