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Unfortunately Vortex Viper XBR 2.5-10x44mm Crossbow Scope w/ Illuminated XBR-1 MOA Reticle, Black VXBR-1 is not listed by Night-Optics.

Product Info for Vortex Viper XBR 2.5-10x44mm Crossbow Scope w/ Illuminated XBR-1 MOA Reticle, Black VXBR-1

Where bullet drop and wind drift are critical, the Vortex Viper XBR 2.5-10x44mm Crossbow Scope extends your effective shooting at long ranges. This rifle scope engineered from the experts at Vortex features an advanced optical system which is highlighted with a 4x zoom range for magnification versatility. The Vortex Viper XBR 2.5-10x44mm Crossbow Waterproof Scope is built on an ultra-strong 30mm one-piece machined aluminum tube for increased windage and elevation travel and optimal adjustment. The Vortex Viper XBR 2.5-10x44mm Crossbow Scope w/ XBR-1 MOA Reticle gives you the optimum visual performance that gets shooters on target quick and easy.

Specifications for Vortex Viper XBR 2.5-10x44mm Crossbow Fogproof Scope:

Magnification: 2.5-10 x
Objective Lens Diameter: 44 mm
Eye Relief: 4.0 inches
Field of View: 47-10.9 feet/100 yards
Tube Size: 30 mm
Turret Style: Tactical Elevation
Capped Windage:
CRS Zero Stop:
Adjustment Graduation: 1 MOA
Travel per Rotation: 48 MOA
Max Elevation Adjustment: 86 MOA
Max Windage Adjustment: 86 MOA
Parallax Setting: 75 yards
Length: 12 inches
Weight: 18.8 ounces

Features of Vortex Viper XBR 2.5-10x44mm Crossbow Waterproof Scope:

  • XD Lens Elements - Extra-low dispersion (XD) glass increases resolution and color fidelity, resulting in crisp, sharp images
  • XR Fully Multi-Coated - Proprietary coatings increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces
  • Second Focal Plane Reticle - Scale of reticle maintains the same ideally-sized appearance. Listed reticle subtensions used for estimating range, holdover and wind drift correction are accurate at the highest magnification
  • Tube Size - 30 mm diameter
  • Single-Piece Tube - Maximizes alignment for improved accuracy and optimum visual performance, as well as ensures strength and waterproofness
  • Aircraft-Grade Aluminum - Constructed from a solid block of aircraft-grade aluminum for strength and rigidity
  • Waterproof - O-ring seals prevent moisture, dust and debris from penetrating the riflescope for reliable performance in all environments
  • Fogproof - Argon gas purging prevents internal fogging over a wide range of temperatures
  • Shockproof - Rugged construction withstands recoil and impact
  • Hard Anodized Finish - Highly durable low-glare matte finish helps camouflage the shooter's position
  • ArmorTek - Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt
  • Tactical Elevation Turret - Exposed elevation turret provides fast, accurate and easily read elevation adjustments. Capped windage turret
  • CRS Zero Stop - Customizable Rotational Stop (CRS) aids in return to zero after dialing temporary elevation correction
  • Precision-Force Spring System - Uses premium components in the erector-spring system to ensure maximum repeatability and ease of adjustment
  • Precision-Glide Erector System - Uses premium components in the zoom lens mechanism to ensure smooth magnification changes under the harshest conditions
  • MAG-View Fiber Optic - Provides a highly visible reference point for the magnification setting
  • Fast Focus Eyepiece - Allows quick and easy reticle focusing

Package Contents:

  • Vortex Viper XBR 2.5-10x44mm Crossbow Scope w/ XBR-1 MOA Reticle
Last updated 2025-11-11 UTC.