The Vortex Razor Red Dot was built with top-tier performance and superior durability in mind. With XR fully multi-coated and ArmorTek coated glass, the Razor features crisp, clear edge to edge clarity that is built into a rugged aircraft grade aluminum body. With extra wide field of view and adjustable brightness settings, the Razor will be a top performer in any situation. The one piece chassis, this unit can stand up to the toughest abuse and is 100% waterproof. The Razor comes with a picatinny-style mount, hex adjustment tool and is covered by the Vortex VIP Unconditional Lifetime warranty.