Axcel Achieve XP Compound Sight 88183 Black/Gold. Ultra High Modulus carbon bar is 2 times stronger and has a higher weight to strength ratio as compared to similar models. Wedge Lock mounting system provides a strong and precise mount that clicks into place. A superior "Windage Dovetail Guide System" replaces inferior twin-dowel guide systems and provides zero backlash. Elevation and windage locks prevent any movement when locks are activated. Thinner jeweled elevation bar is lighter and stronger than before. Larger knurled elevation and windage knobs for easier adjustments. Allows you to add metal sight tapes for precise yardage marks (7 sets included). All other sight scales are sold separately. Included Sight Scales: 9 and 10 13 and 14 17 and 18 21 and 22 25 and 26 29 and 30 and 33 and 34. Specifications for Axcel Achieve XP Compound Sight 88183: Manufacturer: Axcel Color: Gold Black Hand: Right Features of Axcel Achieve XP Compound Sight: Balanced inline tension system Ultra high modulus carbon bar Wedge Lock mounting system Package Contents: Axcel Achieve XP Compound Sight Axcel ACXP-C9R-GB: Achieve XP Compound Sight 88183 Black/Gold