the crimson trace hardline pro optics are designed with the skilled tactical and goal shooter in mind and were purposefully built from the ground up. The line features aerospace grade 30mm tubes with first focal plane (ffp) options. The road gives brief, medium and long-variety optics with a variety of custom reticles. They are completely multi-covered, nitrogen purged, surprise resistant, and geared up for some thing elements they stumble upon. All red hint® scopes are blanketed under the lifetime protection guaranteed assurance and subsidized via our award-triumphing customer support group.