- In store:
- In stock at warehouse, allow for 5+ days4
- Special order may be available, check with store
- Special order may be available, check with store
Leupold two-piece Standard (STD) bases provide a secure mounting platform for a Ruger American Rimfire. They are designed for standard calibers under .300 Win. Mag. and pair with STD rings and bases to link your scope directly and dependably to the rifle.
- Steel construction: durable mounting contact that supports consistent alignment.
- Front dovetail pivots: allows lateral adjustment using the rear windage screws while bore sighting for faster initial alignment.
- Interchangeable heights and compatibility: STD system comes in multiple ring heights and matches STD 1-piece or 2-piece bases so you can select the correct eye‑relief and clearance.
- Shim option: shims can be used to preserve scope elevation travel for BDC dial applications.
Made in the USA, these bases are intended to provide a rugged, dependable connection between Leupold optics and a Ruger American Rimfire. The design focuses on stable contact, straightforward sighting adjustments, and compatibility within the STD mounting family.
