Hawke Airmax 3-9x 40mm Airgun Scope - Airmax scopes feature H2 optics in a variety of configurations designed to suit airgun characteristics. Features Capped Low-Profile Turrets 1 -Inch Mono-Tube Chassis Wide Angle 16 Layer Fully Multi-Coated Lenses High Torque Zoom Ring Fast Focus Eyebell AMX Reticle Designed For Airguns Nitrogen purged. Shockproof. Waterproof. Fog proof. All caliber rated. Hawke No-Fault Lifetime Warranty.