The Monstrum Tactical S31242-M-RGAO is a full-featured scope suitable for hunting, target shooting, or tactical use. The scope comes equipped with:

Adjustable 3-12 times magnification, for targeting out to 500 yards and ...

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Product Review

The Monstrum Tactical S31242-M-RGAO is a full-featured scope suitable for hunting, target shooting, or tactical use. The scope comes equipped with:

Adjustable 3-12 times magnification, for targeting out to 500 yards and beyond

Adjustable reticle illumination with 5 brightness levels in both red and green, allowing for better reticle visibility at night or in low light environments

1/4 MOA/click windage and elevation adjustment dials with locking turrets

An adjustable objective lens - or AO - that allows for sharper focus of the target image, elimination of parallax, and range estimation

A mil-dot reticle with markings that allows you to estimate range or compensate for bullet drop

An aircraft grade 6061 aluminum construction, for lightweight and durable performance

A sealed, nitrogen charged scope tube for resistance to fog and water

The S31242-M-RGAO weighs 1.4 pounds. It has a 30 mm diameter tube and requires a mount with 30 mm diameter scope rings.

The scope is 11.5 inches in total length. The cylindrical segments of the tube where the mounts can be attached 2 and 1.4 inches in length and are spaced 1.3 inches apart.

The package includes a pair of Monstrum Tactical Offset Reversible 30 mm diameter Scope Rings. The rings mount to any flat top Picatinny rail equipped rifle.

Also included are one 3V CR2032 battery and a set of lens covers.



  • Adjustable 3-12 times magnification, for targeting out to 500 yards and beyond
  • Adjustable reticle illumination with 5 brightness levels in both red and green, allowing for better reticle visibility at night or in low light environments
  • An adjustable objective lens – or AO - that allows for sharper focus of the target image, elimination of parallax, and range estimation
  • A mil-dot reticle with markings that allows you to estimate range or compensate for bullet drop
  • Aircraft grade 6061 aluminum scope body with a sealed, nitrogen-charged tube for resistance to water and fog

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