Adams Rite MS4043-00-130 Cylinder Guard, hardened-Steel, Clear Anodized

Protect perimeter openings and reduce costly break-ins with the Adams Rite MS4043-00-130 Cylinder Guard, a purpose-built security accessory for mortise cylinders. This cylinder guard is engineered to stop cylinder-pull attacks and vandalism before they escalate into a full forced-entry event. The hardened-steel outer ring and beveled profile deny purchase for prying and twisting tools, while the free-swiveling shield aligns to prevent leverage attacks—delivering a practical layer of physical security for doors equipped with electric strikes and access control systems. Designed to fit a standard 1/8 inch stile wall, the MS4043 installs quickly as a retrofit or during new construction and pairs seamlessly with Adams Rite electric strikes and monitoring hardware. The clear anodized finish resists corrosion and maintains a clean appearance on aluminum narrow-stile doors. Ideal for commercial, institutional, and high-traffic applications where security, surveillance integration, and reliable access control are critical. Specify the Adams Rite MS4043 Cylinder Guard to harden vulnerable cylinder areas — upgrade your door security or contact us for application guidance.

• Prevents cylinder pull and vandalism, drastically reducing forced-entry risks for narrow-stile doors
• Hardened-steel construction resists prying, twisting and cutting to protect mortise cylinders
• Fits standard 1/8 inch stile walls for easy retrofit with existing electric strikes and access control hardware
• Free-swiveling shield ensures correct alignment and denies tool purchase, improving long-term reliability
• Clear anodized finish provides corrosion resistance and a professional appearance for commercial entrances