The Leupold Alumina Flip-Open Lens Cover is a machined-aluminum scope cover sized for 40mm objective lenses and finished in matte black. It uses powerful neodymium magnets to hold the cover closed and triple O-ring seals to protect the lens from the elements. The cover opens silently and folds flat against the scope in the open position for a low profile. This screw-on style cover is built for routine field use and protects optics during transport and storage.
Key Specifications
- Designed for objective lenses with a diameter of 40mm.
- Constructed from aluminum for durable, lightweight protection.
- Finish is black (matte) to minimize reflections.
- Mounts using a screw-on installation method.
- Secures closed with neodymium magnetic latches for reliable retention.
- Weather resistance provided by triple O-ring seals.
- The cover opens silently and folds flat against the scope when deployed.
- Listed weight is 0.08 as provided by the source.
Rugged yet lightweight, the Alumina Flip-Open Cover offers straightforward protection for your 40mm objective optics without adding bulk. Its magnetic closure and sealed construction keep moisture and debris away from the lens while the low-profile open position maintains clear sightlines when you need them. This cover is a practical accessory for shooters who value simple, reliable protection for their scopes.





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