* One Piece Tube Precision Machined. Robust and Durable construction. completely Sealed and Nitrogen Filled. Perfect for All Terrains/Weather. * One Piece Internal Tube to Provide Solid Lens Element Housing for consistent and Reliable Shooting. * Integral Windage/Elevation Housing, Dual O-Rings and Easy-to-grip Tactical Finger Adjustment to Enhance Tube Integrity and Accurate Shooting. * Multi-layer High-tech Emerald coatings for Most Light, Resolution and clarity. * Excellent Field of view and Long Eye Relief for Shooting comfort. * Proven Tactical Mil-Dot Reticule to Provide Range Estimates and Enhance Accurate Shooting. * Ergonomic Design, High Quality Precision Machined Power Ring, Focus Ring and Eyepiece to Guarantee Smooth and Accurate Adjustments. * Scopes come with range estimate tables for easy reference. Includes rings and battery. Manufacturers Life time Warranty These scopes will fi t any rifle: Ruger 10/22, Ruger Mini 14/30, M1 carbine, SKS, AK47, MAK90, AR15/M16, Rem 700, Savage Models, etc. SPECS for Order # LK328 Magnification: 6x Tube Dia.: 1" Objective Dia.: 32mm Field of view @100 yards: 21.3' Eye Relief: 3.0" Exit Pupil: 4.5mm click value@100 yards: 1/4" Length: 8.6" Weight: 13.6 oz