Sup Def x Westside x Kastle

Product details

Tough Framework

Machined in our own state of the art facility the FORTRESS™ series optic mounts boast the most rigid and durable designs on the market. Understanding the imperatives of tactical operations, every product in the Kastle line is tailored for optimal human interaction with their weapons platform. With feedback from warfighters, law enforcement professionals, and competitive shooters, our offerings undergo rigorous field testing, ensuring that they don't just meet expectations—they redefine them.

Open-Source Mounting

The Kastle™ Mount utilizes industry-standard Picatinny rail compatibility, allowing installation on almost all modern weapons systems.

Lifetime Warranty

Kastle Group Warranty Policy

Kastle Group, LLC stands behind the quality of its products and offers replacement or service for any defects in materials or workmanship.

Warranty Terms:

  • Machined Mechanical Products: Lifetime coverage.

If a product has been discontinued, a replacement may not be available. In such cases, our customer support team will assist you in identifying the best possible solution.

Important Information:

  • Applying excessive torque to fasteners can result in damage to mounts or optics and will void the warranty.
  • The improper use of thread-locking agents, such as VibraTite®, Loctite® or similar products, will invalidate the warranty.

For questions or assistance with warranty claims, please reach out to our customer service team. We are here to help!

Zero Compromise

Every aspect of our process is approached with the highest level of detail to both form and function. We believe a superior product should perform impeccably and look equally impressive. In an era where production is often outsourced, our lineage in advanced in-house manufacturing shapes our steadfast commitment to precision, reliability, and unparalleled quality.

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PRECISION ELEVATED