Item #:
030317020972
UPC: #:
030317020972
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Leupold 176397 BackCountry Cross-Slot Base 20 MOA Browning X-Bolt M...

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The Leupold BackCountry Cross-Slot Base transforms long-range shooting performance on Browning X-Bolt rifles with its precision-engineered 20 MOA cant. This tactical-grade mounting system extends effective range by compensating for bullet drop at extended distances. Built from aircraft-grade aluminum with a corrosion-resistant matte black finish, it delivers the rock-solid foundation demanded by precision shooters.

What Makes This Different

Unlike standard zero-cant bases, the 20 MOA forward cant maximizes scope adjustment range for shots beyond 600 yards. The cross-slot design provides multiple mounting positions for optimal scope placement and eye relief. Leupold's machining tolerances ensure perfect alignment with the rifle's bore axis, eliminating cant-induced accuracy problems that plague inferior mounting systems.

Key Features

  • 20 MOA forward cant extends long-range capability by 200+ yards
  • Cross-slot design allows precise scope positioning for optimal eye relief
  • CNC-machined from 7075-T6 aluminum for maximum strength-to-weight ratio
  • Matte black Type III hard anodizing resists scratches and corrosion
  • Factory-specific fitment for Browning X-Bolt action geometry
  • Accepts all Weaver and Picatinny-style scope rings
  • Steel mounting screws included with thread-locking compound
Field testing demonstrates the base maintains zero through hundreds of rounds and extreme temperature variations from -20°F to 140°F. The 20 MOA cant proves invaluable for competitive long-range shooting, where maximizing scope adjustment travel means the difference between hits and misses at 800+ yards. Hunters pursuing game in open country benefit from the extended range capability without sacrificing close-range versatility.

Technical Specs

  • Material: 7075-T6 aluminum alloy construction
  • Finish: Type III hard anodized matte black
  • Cant: 20 MOA forward slope
  • Compatibility: Browning X-Bolt short and long action
  • Rail Standard: Cross-slot accepts Weaver/Picatinny rings
  • Weight: 2.1 ounces
  • Length: 5.5 inches overall
  • Made in USA with lifetime warranty
Professional gunsmiths and competitive shooters choose Leupold bases for their dimensional accuracy and consistent performance under recoil stress. The BackCountry series represents decades of optical engineering expertise applied to precision mounting solutions.