Open Range Rimfire 1 Piece Aluminum Scope Base for 11mm or 3/8 Dovetail with Cross Slot Mounts by Leupold

Rugged, Lightweight Precision Scope Mount for Rimfire Rifles with Cross-Slot Stability and Dovetail Compatibility

The Leupold Open Range Rimfire 1 Piece Aluminum Scope Base with Cross Slot Mounts is engineered to deliver a secure, stable, and precision-aligned optic mounting solution for rimfire rifles using 11mm or 3/8 inch dovetail rails. Designed for shooters who demand consistent accuracy and dependable zero retention, this one-piece scope base provides a rigid foundation for mounting rifle optics in hunting, target shooting, and training applications.

Built with integrated cross-slot mounting capability, this base enhances compatibility and mounting security, ensuring your optic remains firmly locked in place even under repeated recoil and field use. Its lightweight aluminum construction reduces unnecessary weight while maintaining structural integrity, making it ideal for rimfire platforms where balance and handling are critical.

Whether upgrading a .22 LR rifle for precision plinking or setting up a dedicated small-game hunting rifle, this scope base delivers long-term durability, improved alignment, and enhanced shooting confidence.

Key Features

• One-piece aluminum scope base with integrated cross-slot mounting design

• Compatible with 11mm and 3/8 inch dovetail rimfire rails

• Cross-slot interface improves mounting strength and optic stability

• Precision-machined for accurate alignment and repeatable zero retention

• Lightweight construction reduces overall rifle weight without sacrificing strength

• Low-profile design maintains natural rifle handling and balance

• Engineered for rimfire rifles including .22 LR platforms

• Corrosion-resistant finish for long-term outdoor durability

• Enhances scope mounting consistency and reduces movement under recoil

• Ideal upgrade from factory dovetail mounting systems

Built for Stability and Precision Shooting

The Leupold Open Range Rimfire Scope Base is designed to provide a rock-solid foundation for rimfire optics. The integrated cross-slot system increases clamping security, reducing the risk of optic shift during extended shooting sessions or repeated recoil cycles.

Its rigid one-piece design eliminates flex and misalignment commonly found in multi-piece mounting setups, resulting in improved shot-to-shot consistency and better overall accuracy.

Lightweight Durability for Field Use

Constructed from high-strength aluminum, this scope base delivers excellent durability while maintaining a lightweight profile. This ensures your rimfire rifle remains easy to handle, especially during extended use in hunting or training environments.

The corrosion-resistant finish protects against moisture, dust, and environmental wear, making it suitable for all-weather shooting conditions.

Precision Fit for Dovetail Rail Systems

Designed specifically for 11mm and 3/8 inch dovetail rails, this base provides a secure and precise fit across a wide range of rimfire rifles. The cross-slot design further enhances compatibility with modern optic mounting systems, ensuring maximum stability and flexibility.

Installation is straightforward and user-friendly, allowing shooters to quickly upgrade their rifle’s mounting platform with minimal effort.

Specifications

• Material: High-strength aluminum

• Mount Type: One-piece dovetail scope base with cross-slot mounts

• Rail Compatibility: 11mm or 3/8 inch dovetail

• Design: Integrated cross-slot reinforced mounting system

• Finish: Matte corrosion-resistant coating

• Construction: Low-profile precision-machined body

• Application: Rimfire rifles (.22 LR and similar platforms)

Ideal Applications

• .22 LR rimfire rifles

• Small game hunting setups

• Recreational plinking and range shooting

• Precision rimfire training

• Youth and beginner rifle platforms

• Lightweight field rifles

Easy Installation and Reliable Performance

The Open Range Rimfire Scope Base is designed for simple installation on compatible dovetail rails. Once mounted, it delivers a stable and repeatable platform for optics, improving accuracy and maintaining consistent zero retention over time.

Warranty Information

This Leupold mounting system is supported by manufacturer quality standards, providing long-term confidence in durability, performance, and reliability.

Upgrade Your Rimfire Rifle with Leupold Open Range Cross-Slot Scope Base

Enhance your rimfire rifle with a precision-engineered, lightweight, and ultra-stable mounting solution. The Open Range Rimfire 1 Piece Aluminum Scope Base with Cross Slot Mounts delivers dependable performance, improved alignment, and lasting durability for serious shooters.