Ultra-rigid vertically split rings use oversize hardware for extra strength and ease of installation.For mounting on browning weaver-style two- or one-piece style bases.Compatible with the two-piece scope bases for a-bolt, bar, blr and the x-lock.Note: these rings require browning's proven two-piece bases and are not compatible with a picatinny rail or weaver rail.Type: Ring SetTube Diameter: 1"Height: HighSize: Accepts up to 56mmFinish: MatteStyle: Vertically SplitMaterial: SteelMount Type: Browning-Style 2-Piece Base