The S-TAC series is built to last with a durable one-piece main-tube and all weather construction. It features Zact-7 multi-coating with precision ground lenses to give you a crisp clear picture, no matter what power. The ExacTrack windage and elevation adjustments paired with the tactical MRAD turrets give you precise adjustments that will get on target and keep you there. Fogproof, waterproof and shockproof comes standard, so no matter the conditions you will be able to see your target.