Vortex killFLASH ARD for StrikeFire Red Dot Threaded ARD35 keeps your position from being compromised by reducing objective lens glare and reflection. The Vortex killFLASH ARD for StrikeFire works on any threaded Strike Fire red dot scope with this compact, anti-reflection device ( ARD ). All you have to do is flip up the objective lens cap that comes on the threaded StrikeFire and screw the ARD attachment into the threaded objective lens barrel, making it a simple, yet very effective red dot sight accessory. The kill FLASH ARD by Vortex Optics also protects the lens from scratches and damage in addition to reducing reflection. Features of Vortex Killflash ARD for StrikeFire Red Dot Threaded: Significantly reduces objective lens glare and reflection to keep your location unseen Vortex limited lifetime warranty Protects lens from dust, dirt and more so it isn't damaged Package Contents: Vortex ARD for StrikeFire 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 riflescopes, 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.