The Butler Creek Flip-Open Eyepiece Scope Cover (Size 13) is an eyepiece lens cap sized for a 1.57″ (39.9 mm) tube. It is molded from durable polymer in black and designed for ambidextrous operation. The cover provides a flip-open cap with a silent spring hinge, water-tight friction mount and an air-tight semi-O-ring to protect optics from dust and moisture.
Key Specifications
- The eyepiece diameter fits 1.57″ (39.9 mm).
- Constructed from plastic polymer in black.
- The design is Flip-Open with a silent spring hinge for quick operation.
- The mount uses water-tight custom-fit friction mounts to hold the cover in place.
- An air-tight semi-O-ring helps keep out dust and moisture.
- Manufacturer documentation lists testing to -40°F.
- Operation is ambidextrous for right- or left-side use.
- The product is described as weighing less than an ounce.
- Also made for spotting scopes in addition to rifle scopes.
This compact, low-profile eyepiece cover provides a practical solution for keeping scope optics protected during storage and use in the field or on the range. Its flip-open action, sealing features, and lightweight construction make it a straightforward, durable accessory for routine optics protection.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




