Peak Performance in any enviorment Consistent lifelong reliability Boresight Retention Battery Immersion Testing The Crimson Trace Brushline Pro optics are designed with the experienced hunter in mind and have been purposefully built from the ground up. The line includes options for pistols, muzzleloaders, shotguns, and hunting rifles. All of the reticles have been calibrated for the firearms platform that they will be placed on. The line features aerospace grade 1* and 30mm tubes that are extremely lightweight. The scopes are fully multi-coated and have exceptional light transmission and glass quality. All Crimson Trace scopes are covered under the LIFETIME protection guaranteed warranty and backed by our award-winning customer service team.