Built upon SIERRA3 award-winning technology, and the SIG SAUER BDX Ballistic Data Xchange technology, the SIERRA6 family of riflescopes provides the hunter with an intelligent auto-holdover specific to their ballistics, target, and environment. Pairing a SIERRA6 to a BDX equipped rangefinder allows users to bring the capability of Applied Ballistics without the need for a mobile device. Use this waterproof and fogproof Sig Sauer SIERRA6BDX 3-18x44mm Riflescope in any environment or condition.
Key Features:

• Integrated BDX Ballistic Data Xchange 2.0 with Up to 95% Light Transmission
• Advanced HDX 6x Optical System
• Automatic Hold-over Dot on a Digital Focal Plane
• Innovative KinETHICTM Kinetic Energy Transfer Indicator for Ethical Shots
• Dependable Waterproof and Fog-Proof Performance (IPX-7 for Complete Immersion up to 1 Meter)
• Argon Purged for an Enhanced Lifetime of Performance
• LevelplexTM with Auto Levelplex Mode

Sig Sauer SIERRA6BDX 3-18x44mm Riflescope 30mm Tube Specifications:

• Magnification: 3-18x
• Objective lens diameter (mm): 44 mm
• Focal plane: Digital
• Reticle: BDX-R2
• Maintube diameter: 30 mm
• Travel per rotation: 20 MOA
• Adjustment increments: 0.25 MOA
• Parallax setting: Adjustable
• Weight: 23.8 oz
• Waterproofing: IPX7
• Illumination: Yes
• Total elevation travel: 60 MOA
• Total windage travel: 60 MOA
• Battery: (2) CR2032
• Internal gas purge: Argon
• Illumination settings: 8 Daytime / 2 NV