This is a Sig Sauer Rifle Scope known as the SIERRA3BDX, model SOSBDX33111.
Disguised within the form factor of a traditional riflescope lies the power of the SIG SAUER BDX Ballistic Data Xchange. The SIERRA3BDX riflescope provides the hunter an illuminated auto-holdover dot on targets when coupled with a BDX capable KILO rangefinder. Featuring exceptional SpectraCoat lenses" LevelPlex digital anti-cant" and KinETHIC kinetic energy transfer indicator" the SIERRA3BDX is incredibly simple to use. Range a target" put the holdover dot on target" pull the trigger" impact. SIG SAUER's BDX" just CONNECT THE DOT
Features:
Second focal plane
Motion activated illumination
Spectracoat anti-reflection coating
Waterproof and fog-proof