Solid one-piece aircraft grade aluminum alloy construction makes these scopes highly durable Argon purging results in a waterproof and fog proof scope Fully multi-coated optics Dead-hold BDC reticle has a custom design that helps eliminate guesswork on hold-over and windage corrections One inch tubes Fast focus eyepiece Low capped turrets Reset turrets: allow re-indexing of the turret housing to zero after sighting in the riflescope Waterproof: o-ring sealed Shockproof: lenses are locked in place Hard anodized finish Mfg: Vortex Optics
