Gamo 3-9×40 MDAO Riflescope

Gamo has developed the Gamo 3-9×40 MDAO Riflescope for the growing airgun market. Features fully multi-coated optics for crisp and bright imaging. Waterproof, shockproof, fogproof.

Current product details

Gamo has developed this versatile air rifle scope for the growing airgun market. The family 1” tube diameter is the high-end configuration optic for powerful spring piston air rifles. Variable scope magnification 3 to 9x with fast eyefocus, AO Adjustable Objective feature parallax adjustment on bell to fully enjoy shooting at different ranges with compressed air. Features fully multi-coated optics for crisp and bright imaging. Adjustable turrets for windage and elevation with the best reticle mil-dot. Waterproof, shockproof, fogproof.

SPECIFICATIONS

Magnification: 3-9x
Objective Lens Diameter (Mm): 40mm
Reticle: 30/30
Tube Diameter: 1″
Coating: Fully Coated
Exit Pupil Range: 13.3-4.4
Eye Relief: 3.5″
Field of View @ 100yds: 40 – 13
Diopter Compensation: 2/ -2
Twilight Factor: 10.95 – 18.97
Length, Approx. (mm) (in): 322 12.7

Optic and mount compatibility

• Confirm magnification, objective size, tube diameter, reticle and adjustment features from this exact product record.
• Check the airgun rail, ring size, required clearance and recoil rating before ordering.
• Do not assume rings, mounts, batteries or accessories are included unless the current listing states they are.

Compare all Gamo riflescopes, sights and mounts. For a complete setup, use the air-rifle buying guide.

Buy with confidence: Gamo.co.za is an authorized online Gamo dealer and South Africa’s dedicated Gamo airgun destination.

Reviewed by the Gamo South Africa product team on 26 August 2026.