Choose the Leupold 172051 Browning Dual Dovetail AB3 2-Piece Scope Mount Base to securely lock your scope to your rifle. This mount base is built from machined steel for strength and durability and accommodates virtually all Leupold rotary dovetail rings. The Dual Dovetail™ system gives a low-profile mount, while the 2 separate pieces securely mount your rifle.