The Compact Rubber Tactical scope provides strength and durability in any environment. Featuring a one-piece aluminum main tube with rubber outer coating, multi-coated lens, reticles illuminated in red and green with multiple brightness settings, lens covers and extra battery and built-in flip-up lens caps. Length 7.75" Series Compact Weight 17.30 oz Reticle Illuminated P4 Sniper Objective 42mm Eye Relief 3" Field Of View 37.70 - 12.50 ft @ 100 yds Magnification 3-9x Optic Coating Multi-Coated Tube Diameter 30mm Parallax Adjustment Illuminated P4 Sniper