Mount the Vortex Strikefire II Red Dot Sight 4 MOA w/ LED Upgrade to quickly acquire targets in the field with advanced precision. These Red Dot Sights developed by Vortex Optics feature fully multi-coated lenses for crisp, bright views throughout. This Vortex Strikefire II Parallax-Free Red Dot Sight offers unlimited eye relief for comfortable viewing sessions, and there are 10 brightness levels so that you can best match the reticle to your current environment and situation. Each of these sights is built in a single-piece chassis for enhanced ruggedness, and the waterproof, fogproof and shockproof design is as tough as it gets. Plus, there's a hard anodized finish for superior corrosion resistance. Equip this Vortex Strikefire II 30mm Red Dot to improve your aim in close- to mid-range scenarios. Specifications for Vortex Strikefire II 1x 30mm 4 MOA Red Dot Sight: Manufacturer: Vortex Color: Black Magnification: 1 x Objective Lens Diameter: 30 mm Objective Window Size: 30 mm Reticle: 4 MOA Illumination Type: LED Illumination Color: Red Brightness Settings: 10 Eye Relief: Unlimited Adjustment Type: MOA Adjustment Click Value: 0.5 MOA Parallax: Parallax Free Lens Material: Glass Optical Coating: FMC Battery Type: CR2 Battery Quantity: 1 Battery Life: 80,000 hours Operating Temperature: -10 - -60 Celsius Weather Resistance: Fog Resistant Water Resistance Level: Waterproof Shockproof: Yes Fogproof: Yes Gun Model: AR-15 Length: 7.5 in Width: 3.25 in Height: 6.5 in Weight: 7.2 oz Additional Features: Cantilever ring mount, T-15 Torx wrench, CR2 battery, Flip Cap optic covers Condition: New Magnification Type: Fixed Attachment/Mount Type: Picatinny Features of Vortex Strikefire II 4 MOA Red Dot Sight: Fully Multi-Coated: Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. Brightness Settings: 10 levels Unlimited Eye Relief: Non-critical eye relief for rapid target acquisition Parallax Free: All red dot and holographic sights will exhibit some small amount of parallax. Matching current industry practice, this small amount would be considered "parallax free" and will make a negligible difference in performance. CONSTRUCTION FEATURES: Single-Piece Chassis: Compact and lightweight. Waterproof: O-ring seals prevent moisture, dust and debris from penetrating for reliable performance in all environments. Fogproof: Nitrogen 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. Package Contents: Vortex Strikefire II 4 MOA Red Dot Sight Cantilever ring mount T 15 Torx wrench CR2 battery Flip Cap optic covers 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.