The optics business is keenly competitive with companies constantly coming and going, but for made-in-America engineering, staying power belongs to Leupold. This Beaverton, Oregon, company doesn’t just settle for better lenses, better coatings and better internal design. It’s on the cutting edge of features that are useful to the hunter. The ZeroLock Custom Dial System Turret is one of those features.

I recently mounted Leupold’s VX-3i 3.5-10x40mm CDS on the rifle passed down to me from my father. The optical improvement over what Dad had been using was dramatic. The edge-to-edge sharpness and bright, crystal-clear images are stunning. The surprise was the cool new ZeroLock elevation turret.

The ZeroLock is not new with Leupold. It has been offered as an add-on specialty item, but now it’s included in the VX-3i line for everyday hunters’ rifles. For easy and repeatable elevation adjustments, just push an elongated slotted button to turn the turret. Then release to lock. It eliminates holdover for longer range shots by dialing the adjustment up and then turning it back to your zero point with zero guesswork. And it’s absolutely reliable.

While keeping their optics in top quality, Leupold is engineering features that make their scopes easier to use. Enter the ZeroLock: still waterproof, still fogproof, and always exactly what you need to take that buck way out yonder or up close. ZeroLock has the brightness and clarity to go for the kill at the last minute of shooting light.