Leupold 171903 Standard Two-Piece Base, Matte Black

The Leupold 171903 Standard two-piece base provides a secure, OEM-compatible mounting solution for Ruger American single-action rifles. Made to pair with Leupold STD rings, this base allows lateral adjustment during bore sighting via a pivoting front dovetail. The steel construction and matte black finish offer a low-profile, durable platform for many standard scope setups.

Key Specifications

• Constructed of Steel for consistent strength and fit.
• Finish is Matte Black to reduce glare and maintain a subdued profile.
• Designed to fit Ruger American SA receivers for direct mounting.
• Rings are not included; pairs with Leupold STD rings or bases as needed.
• Mount style features a Reversible Front dovetail that pivots for lateral adjustment.
• Product type is a 2-Piece Base for receiver-mounted installation.
• Mount type is To Receiver for secure attachment to the rifle.
• Number of pieces: 2.
• Model designation: Standard Base.
• Weight listed as 0.205.

This two-piece base offers a straightforward, dependable platform for mounting optics on Ruger American rifles. Its reversible front dovetail and windage-adjustable rear ring support precise sighting without overtaxing the scope's internal adjustments, making it a practical choice for shooters seeking a stable, low-profile mount.