SIERRA3BDX 4.5-14x50mm riflescope with Ballistic Data Xchange. The scope provides the hunter an illuminated auto-holdover dot on targets when coupled with a BDX capable KILO rangefinder. 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 SAUERs BDX, just CONNECT THE DOT
