This rifle scope features a large diameter and a 30/30 engraved reticle. Supremely rugged and perfectly recoil-proof their engraved/laser-etched reticle will be able to withstand extreme forces and will not break shift or snap even if the rifle scope is used with heavy calibers. The optics are fully multi-coated and are made of high definition glass that will deliver the greatest light transmission from dawn to dusk while being nitrogen purged and sealed for utmost waterproof integrity. Finger Adjustable Windage plus Elevation Adjustments Click Value mm at 100m/in at 100 yards: 1/4 MOA (7.25MM) Adjusting Range m at 100m/in at 100 yards: 1.3m/52.4" Mounting Length: 151mm/5.9"