Description NEW Weather proof components including titanium guide rods and newly formulated bushings to remain perfectly consistent in all weather conditions Dependable vertical locking mechanism 550: 5.5″ frame (offers 1 1/2″ more vertical adjustment than 400) Lightweight, extremely durable construction Cam-Assist 3-Axis leveling block standard Patented Split-Block design for easy scope/pin attachment swapping Micro-adjustments in precise and repeatable .002″ increments
