Make a high-performance tactical decision. Bushnell's putting the most powerful optics in the world into the hands of those sworn to defend it. Elite Tactical. Designed alongside military and law enforcement experts, the optical superiority and unfailing reliability of this family has been further honed with a host of application-specific features. The new Bushnell Tactical XRS series of scopes are the next generation of high power riflescopes based on the popular HDMR/DMR design. The 4.5-30x 50 XRS (X-Treme Range Scope) scopes incorporate several improvements suggested by "professional" users who have extensively field tested Bushnell tactical scopes in the world's harshest environments. These first focal plane designs feature the new Z-Lok locking elevation turret complete with zero stop, .1mil per click and 10 mils per revolution of adjustment. The T-Lok locking windage turret now has L & R markings for more precise adjustability. The turret now feature powder coated stainless steel turret cap screws for the ultimate in concealment and corrosion resistance. These scopes have increased side parallax adjustment to provide a crystal clear image in extended and extreme range shooting applications. This mission-driven design is adapted to perform from the tightest quarters to the most extreme ranges. All for one purpose: So you can do what you do. To the warriors who selflessly protect our lives, you can always trust yours to Elite.