Updated, upgraded, and upscale the Vortex Viper PST Gen II Rifle Scope is a duel use shooting tactical and hunting addition to your rifle. These AR15 Rifle Scopes from the people at Vortex Optics feature a second focal plane reticle that helps maintain the appearance with a subtension that estimates range, holdover and wind. Moreover, the Vortex Viper 1-6x24 Rifle Scope is waterproof with an O-ring seal that prevents moisture, dust, debris and more from interfering with the mechanisms. The Vortex Viper SFP Rifle Scope is a highly functional, intuitive, and detailed rifle scope for all of your target needs. Specifications for Vortex Viper PST Gen II 1-6x24mm 30mm Tube Second Focal Plane Rifle Scope: Manufacturer: Vortex Objective Lens Diameter: 24 mm Magnification: 1 - 6 x Tube Diameter: 30 mm Reticle Focal Plane: Second Focal Plane (SFP) Exit Pupil: 4 - 24 mm Illumination Color: Red Finish: Hard Anodized Field of View, Linear: 18.8 - 112.5 ft at 100 yds Eye Relief: 3.8 in Color: Black Weight: 22.7 oz Length: 10.9 in Parallax: 100 yds Illumination Type: LED Battery Type: CR2032 Width: 5.25 in Fabric/Material: Aircraft Grade Aluminum Height: 1.29 in Focus Range: 100 yds to infinity Lens Material: Extra-low Dispersion Glass Optical Coating: Fully Multi-Coated Battery Life: 150 hours Weather Resistance: Yes Water Resistance Level: Waterproof Shockproof: Yes Fogproof: Yes Battery Quantity: 1 Package Type: Box Magnification Type: Variable Condition: New Attachment/Mount Type: Ring Features of Vortex Viper PST Gen II 1-6x24mm Rifle Scope, 30mm Tube, Second Focal Plane (SFP): Optical Features: XD Lens Elements: Extra-low dispersion (XD) glass increases resolution and color fidelity, resulting in crisp, sharp images. XR Fully Multi-Coated: Proprietary coatings increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. Second Focal Plane Reticle: Scale of reticle maintains the same ideally-sized appearance. Listed reticle subtensions used for estimating range, holdover and wind drift correction are accurate at the highest magnification. Illuminated Reticle: Provides precise aiming under low-light conditions Construction Features: Tube Size: 30 mm diameter provides maximized internal adjustment and strength. Single-Piece Tube: Maximizes alignment for improved accuracy and optimum visual performance, as well as ensures strength and waterproofness. Aircraft-Grade Aluminum: Constructed from a solid block of aircraft-grade aluminum for strength and rigidity. Waterproof: O-ring seals prevent moisture, dust and debris from penetrating for reliable performance in all environments. Fogproof: Argon gas purging prevents internal fogging over a wide range of temperatures. Shockproof: Rugged construction withstands recoil and impact. Hard Anodized Finish: Highly durable hard-coat anodization provides a low-glare matte surface and helps camouflage the shooter's position. ArmorTek: Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt. Internal Mechanism Desing Features: Precision-Force Spring System: Uses premium components in the erector-spring system to ensure maximum repeatability and ease of adjustment. Precision-Glide Erector System: This system ensures the components in the zoom lens mechanism glide smoothly and cleanly through all magnification ranges. Convenience Features: Fast Focus Eyepiece: Allows quick and easy reticle focusing. Built-In Accuracy Features: Matching (MRAD or MOA) turrets and reticles facilitate fast and accurate shooting at extended ranges. The patented fiber optic Radius Bar visually assists tracking turret rotations. Package Contents: Vortex Viper PST Gen II 1-6x24mm 30mm Tube Second Focal Plane Rifle Scope CR2032 battery Lens cloth Vortex VIP Warranty The Vortex VIP warranty is about you, not us. It"s about taking care of you after the sale. VIP stands for a Very Important Promise to you, our customer. We will repair or replace your Vortex product in the event it becomes damaged or defective-at no charge to you. If we cannot repair your product, we will replace it with a product in perfect working order of equal or better physical condition. You see, it doesn"t matter how it happened, whose fault it was, or where you purchased it. You can count on the VIP Warranty for all Vortex Optics Rifle Scopes, prism scopes, red dots, rangefinders, binoculars, spotting scopes, tripods, and monoculars. Unlimited Lifetime Warranty Fully transferable No warranty card to fill out No receipt needed to hang on to If you ever have a problem, no matter the cause, we promise to take care of you Note: The VIP Warranty does not cover loss, theft, deliberate damage or cosmetic damage that does not hinder the performance of the product.