Zeiss 30mm Ultralight 1913 MS Rings w/ Level - X-HIGH Model_Skyscraper The air pipes are adjustable

The air pipes are adjustable to fit tall boots to small slip-on shoes

The Hydro Sling's ride location can be adjusted for personal preference

No more scanning through hundreds of possibilities

• Explore birds by location and date with a list of species seen in the area

Zeiss 30mm Ultralight 1913 MS Rings w/ Level - X-HIGH Model_Skyscraper The air pipes are adjustableZEISS Ultralight 1913 Mil Spec Rings are manufactured to the highest of standards, from premium materials, and with tight tolerances for your long term safety and field applications. They are designed for optimal long range shooting solutions and allow for either right or left handed operations as well as eye dominance. The bubble level is easily viewed from the shooting position, creating no disturbance in your shooting position. A smarter, sleeker,