Revic EXO Extreme MOA Sight Muzzleloader. Similar to a rifle scope elevation turret the EXO sight raises and lowers the peep sight aperture to allow for precise aiming over varying distances. Peep sight apertures is 0.050 in diameter and removable with included hex wrench for a larger field of view. Globe front sight insert card included for customizable sight picture. 32.5 MOA of adjustment travel 50 State Legal (Check your local Regulations) Custom Ballistic Data Ring can be etched to pair with your specific muzzleloader system. Dialing becomes even more intuitive and efficient in the field with the addition of a BDR. Specifications for Revic EXO Extreme MOA Sight - Muzzleloader: Manufacturer: Revic Color: Black Package Contents: Revic EXO Extreme MOA Sight - Muzzleloader Revic AY-R-E8505: EXO Extreme MOA Sight Muzzleloader