Leupold BackCountry Cross-Slot Base Nosler M21 20 MOA

The Leupold BackCountry Cross-Slot Base is a one-piece scope base engineered to fit the Nosler M21 receiver. It provides a built-in 20 MOA slope for extended-range elevation, and accepts both Picatinny and Weaver-style rings for flexible optics mounting. The base is machined from aircraft-grade 7075-T6 aluminum for a balance of light weight and rugged durability, and is finished in matte black for a low-reflective profile. Made in the USA, this mount is intended for hunters and precision shooters seeking a lightweight, reliable interface between optic and rifle.

Key Specifications

• The base is a one-piece design with 1 piece.
• No rings are included with this base.
• The mount uses a Cross-Slot style configuration.
• The overall length measures 6.30 inches.
• Constructed from 7075-T6 aluminum for lightweight strength.
• Designated model name is BackCountry.
• The mount type is specified as To Receiver.
• The base features a built-in 20 MOA slope for long-range elevation.
• Compatibility is listed as fitting Nosler M21 receivers and accepting Picatinny and Weaver-style rings.
• The listed weight is 0.185.

Durable, lightweight, and purpose-built, the BackCountry Cross-Slot Base simplifies optics mounting while providing the 20 MOA incline needed for extended-range adjustments. Its machined construction and cross-slot versatility make it a practical choice for field-focused shooters who prioritize reliable, no-nonsense hardware.