The Sig Sauer Sierra 6 BDX 3-18x44mm Rifle Scope with a 30mm tube delivers advanced precision for serious hunters and precision shooters, combining SIERRA3 heritage with BDX 2.0 Ballistic Data Xchange to auto-holdover tailored to your ballistics and environmental conditions. With 95% light transmission and the HDX 6x optical system, it provides bright, clear views across dawn to dusk, while the automatic hold-over dot on a digital focal plane enhances accuracy without distraction. Its versatility spans centerfire, muzzleloader, and crossbow platforms, making it a flexible option for varied hunting styles and field applications. The KinETHICTM Kinetic Energy Transfer Indicator offers real-time feedback on shot viability to support ethical, efficient shooting decisions in real time. Built to endure the elements, the scope is IPX-7 waterproof and fog-proof, argon purged for longevity, and finished in a sleek black anodized coating. LevelplexTM with Auto Levelplex Mode ensures level shots, a crucial detail for accuracy on uneven terrain, while the illuminated BDX digital reticle improves target acquisition in low light. The Sierra 6 BDX 3-18x44mm combines robust construction, intelligent ballistic technology, and proven optics to be an indispensable optic for field use, delivering reliable performance from legal shooting hours to challenging environments.