This is a Sig Sauer Rifle Scope known as the SIERRA6, model SOSBDX65111.
Built upon SIERRA3 award-winning technology" and the SIG SAUER(R) BDX Ballistic Data Xchange technology" the SIERRA6 family of riflescopes provides the hunter or marksmen 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(R) into the field without the need for a mobile device.
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
Ballistic Profiles Compatible with Centerfire, Muzzleloader, and Crossbow Platforms
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