Monstrum Guardian AO Rifle Scope with Parallax Adjustment

The Monstrum Guardian 3-9×40 AO Rifle Scope is a high-quality and durable hunting scope. This rifle scope features an end-to-end solution built for the Ruger 10/22 platform, providing a perfect fit for your Ruger 10/22 rifle. The Monstrum Guardian 3-9×40 AO Rifle Scope is perfect for hunting, target shooting, and law enforcement use.

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  • The Monstrum Guardian 3-9x Ruger Edition is an endtoend rifle scope that is compatible with the Ruger 10/22.
  • The scope has adjustable magnification from 3-9x.
  • It also has an adjustable objective lens or “ao” feature that allows for sharper focus of the target image, elimination of parallax, and range estimation.
  • The fully illuminated MOA reticle has MOA hashmarks for ranging information and inline dial controlled brightness adjustments.
  • Precision 1/4 MOA/click windage and elevation adjustments are available.
  • Anodized aircraft grade 6061 aluminum construction makes this rifle scope lightweight and durable.


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  • Comes With A 2 Year Quality Assurance Certificate
  • Inexpensive
  • Easy To Install


  • May Not Be Suitable For All Applications