Tract TORIC 2-10x42 Riflescope w/BDC Reticle - Hunting Optics for The Ultimate in Versatility TRACT's UHD Technology Features the highest quality SCHOTT HT Glass for incredible low light performance and Extra Low Dispersion (ED) Objective Lens to help resolve detail at higher powers Glass Etched BDC Reticle with Pointed Post Bracketing System and Windage Correction for increased accuracy at longer distances 4" of constant Eye Relief through entire magnification range Includes High Profile Turret Kit with Locking Feature and Zero Stop Lifetime Warranty Industry leading SCHOTT HT (High Transmission)special glass variants that are known for their superior transmittance ED (Extra Low Dispersion)glassreduces Chromatic Abberation resulting inunsurpassed clairty and precise image quality Fully Multi-Coated Optical Lens System Simply liftthe high profileelevation turret up to disengage the lock.Turn the elevation knob in the desired direction. Push turretback down to return to the locked position.<br> After sighting in your rifle, simply insert the Turret Kit and set thezero stop module in place. Once assembled, you now havea positive repeatablestopping point at your chosen zero point. Then, no matter how many elevation adjustments you make, turning the elevation knob down to thezero stop setting returns you to your original zero. No counting clicks orneed for visual reference. In poor or low-lighting conditions,you can return to your original zero stop simply by feel. Keeps your cheek weld consistant throughout the entire magnification range for improved accuracy 4&#034; of eye relief keeps you safe from getting hit under heavy magnum recoil or shooting at sharp angels. Easier for the shooter to locate the target The horizontal pointed posts allow you to bracket the target, making it easier to hold slightly higher or lower on the target. The vertical hash marks on the center crosshair and windage correction dots provide an approximate hold for a 10 mile-per-hour crosswind. The reticle is set up for both standard (2,800 fps) and magnum cartridge (3,000 fps) trajectory in approximate 100 yard increments. Simply sight a standard cartridge to 100 yards and a magnum at 200 yards. Or, to customize the reticle to your exact load, calculate the exact distance each dot represents by entering your cartridge info into the IMPACT Ballistic Program on the TRACT Optics website. Hand TurnWindage &amp; Elevations Adjustments Repeatable and audible 1/4&#034; clicks at 100 yards are easily reset to zero without any tools, making sighting in or field adjustments quick and easy. 20 MOA of adjustment per revolution and a 50-MOA range. Customize your2-10 TORICwith a selection of accuracy enhancing accessories such as the Low Profile Impact Custom Turret or High Profile Impact Custom Turret.