Athlon Heras SPR 4-20x 50mm Rifle Scope - AAGR2 SFP MIL - Athlon's modern update to the classic 3-9x40 hunting scope. Incorporating an adjustable elevation turret, locking windage turret, and MOA and MIL second focal plane reticle options provide modern hunters with a new approach for shots on long-range game. Featuring a parallax adjustment from infinity to a minimum distance of 10 yards, suitable for use on long-range magnum rifles and close-range airguns alike! Advacned Fully Multi-Coated: Athlon advanced fully multicoated glass gives you better light transmission with optimum brightness and true color across the entire light spectrum.; Precision Zero Stop: Athlon's precision zero stop system allows you to return to your initial zero position with a sharp and precise stop, right on your initial zero.; Locking Turrets: Athlon Optic's locking turrets allow you to pull up on your turret to dial and push down on the turret to lock it in place to avoid inadvertent adjustments.; Argon Purged; High Precision Erector System; Aircraft Grade Aluminum Tube; Etched Glass Reticle; Waterproof; Fog Proof; Shockproof; One Piece Tube Construction;