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Butler Creek Flip-Open Scope Cover Eyepiece Size 17 Polymer Black, 20170
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$11.99
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SKU: MO20170-051525201700
Overview
Built for hunters and shooters who want dependable lens protection without slowing down at the moment of truth, this eyepiece cover is designed to fit optics with a 1.67" outside diameter eyepiece. Its water-tight seal and weatherproof O-ring help keep dirt and moisture out, while the friction mount helps it stay anchored to the optic. The no-slip button and silent spring hinge support quick, quiet access when you need to get on target. It is a practical choice for field use where protecting the optic matters, but a precise fit is essential.
Why Hunters Choose the Butler Creek
Custom Fit
For 1.67-inch outside diameter eyepieces,
Water-tight Seal
Airtight O-ring help keep out
No-slip Fast-action
Button supports quick opening when
Silent Spring
Hinge helps reduce noise during
Ambidextrous Design
Works for either hand
Key Features
- Eyepiece cover size 17 fits 1.67-inch outside diameter eyepieces.
- Flip-open design provides quick access to the optic.
- Water-tight seal and airtight O-ring help keep out dirt and moisture.
- No-slip button and silent spring hinge support quiet operation.
- Ambidextrous design suits left- or right-handed use.
- Polymer construction in black finish.
Best Used For
- Hunters wanting a custom-fit eyepiece cover for protecting optics from dirt and moisture
- Shooters who need quick, silent access to the scope without unnecessary movement
- Cold-weather users looking for a weatherproof cover tested to -40°F
- Left- or right-handed hunters needing an ambidextrous flip-open design
- Anyone with a 1.67-inch outside diameter eyepiece seeking a friction-mount fit
Specifications
| Button Type | Ergonomic Non-Slip Button |
|---|---|
| Color | Black |
| Cover Type | Flip-Open Scope Cover |
| Design | Ambidextrous |
| Eyepieceocular | Eyepiece - Ocular Cover |
| Fits Outside Diameter | 1.67 in (42.5 mm) |
| Hinge Type | Silent Spring Hinge |
| Material | Polymer |
| Model Number | 20170 |
| O Ring Seal | Airtight O-ring |
| Seal Type | Water Tight Seal |
| Size | 17 |
| Tested Temperature | -40 deg. F |
| Weatherproof | Yes |
Pros
- Custom fit for 1.67-inch outside diameter eyepieces, size 17
- Water-tight seal and airtight O-ring help keep out dirt and moisture
- No-slip fast-action button supports quick opening when needed
- Silent spring hinge helps reduce noise during use
- Ambidextrous design works for either hand
- Polymer construction in black offers a simple, low-profile finish
Considerations & Trade-offs
- Fits only eyepieces with a 1.67" (42.5 mm) outside diameter, so sizing needs to be checked carefully before purchase.
- The friction-mount, custom-fit design is secure, but it depends on proper fit to achieve the intended seal and retention.
- It is an eyepiece cover only, so it protects the ocular end of the optic rather than the entire scope.
- Polymer construction keeps it lightweight and simple, but it does not add the rigid protection of a hard case or full scope guard.
Suggested Comparisons
- Scope accessories
- Objective lens covers
- Optics protection accessories
- Hunting and shooting gear
Suggested Accessories
- Scope cleaning kit
- Lens brush
- Optics storage case
- Protective scope cap
Frequently Asked Questions
What scope eyepiece size does this cover fit?
This is Eyepiece Size 17 and is listed to fit a 1.67" (42.5 mm) outside diameter eyepiece.
Is the cover designed to help keep dirt and moisture out?
Yes. The product description says it has a weatherproof, airtight O-ring seal and a watertight seal intended to help keep out dirt and moisture.
Will the flip-open design work for either hand?
Yes. The specifications list an ambidextrous design.
Does it open quietly?
The description says it uses a silent spring hinge, which is meant to allow fast access with less noise.
What material and color is the cover?
The specifications list it as polymer in black.