<B>Vortex Optics Diamondback HP 4-16x42 Riflescope with Dead-Hold BDC Reticle - DBK-10019 Review</b><P>http://tinyurl.com/lscbfe9 <P><P> Vortex Optics Diamondback HP 4-16x42 Riflescope with Dead-Hold BDC Reticle - DBK-10019 <P>Tube Size - 1-inch diameter.<P>Waterproof - O-ring seals prevent moisture, dust and debris from penetrating the riflescope for reliable performance in all environments.<P>Fogproof - Argon gas purging prevents internal fogging over a wide range of temperatures.<P>Capped Reset Turrets - Allow re-indexing of the turret to zero after sighting in the riflescope. Caps provide external protection for turret.<P>Side Focus - Adjustment located on riflescope's left side and is easily accessible from shooting position. Provides optimal image focus and parallax removal.<P>
