Built off the award-winning Optimizer Ultra sight, the new Infinite Adjust Slotted Slide Bracket brings an extra level of adjustment that enables the shooter to make 2nd axis and vertical adjustments with ease. Simplify your sight in process and skip the frustration of jumping hole to hole; this new technology will allow you to fine tune at 20 yards and maximize your sight tape range. 

• Able to make micro windage adjustments left to right 
• Elevation adjustments can be made and locked down on the sight tape from 20 to 80 yards in single yard increments 
• Compatible with all HHA lens kits and HHA Blue Burst 2500 light 
• 100% lifetime warranty and 100% made in the USA 
• Scope housing size: 1 5/8 inches 
• Pin size: .019