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Butler Creek Flip-Open Scope Cover Objective Size 39 Polymer Black 30390
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$11.99
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SKU: 30390-051525303909
Overview
Designed to protect the objective end of your optic, this flip-open cover offers a custom fit with a water-tight seal and airtight O-ring to help keep out dirt and moisture. The fast flip tabs and silent spring hinge are well suited to hunters who need quick access without adding unnecessary noise in the field. Its ambidextrous design and polymer construction make it a practical choice for protecting a valuable scope during transport and in changing weather. This size is made to fit a 2.22" outside diameter objective lens housing.
Why Hunters Choose the Butler Creek
Custom Fit
Design helps provide maximum protection
Water-tight Seal
Airtight O-ring help keep out
Fast Flip
Push tabs allow quick access
Silent Spring
Hinge supports quiet operation in
Ambidextrous Design
Works for left- or right-handed
Key Features
- Custom-fit objective lens cover for size 39 optics
- Fits 2.22-inch outside diameter objective lenses
- Water-tight seal with friction-mount fit
- Weatherproof airtight O-ring helps keep out dirt and moisture
- Fast flip push tabs for quick access
- Silent spring hinge and ambidextrous design
Best Used For
- Hunters wanting quick objective-lens access without removing the cover
- Field use in wet or dusty conditions where a sealed cover is preferred
- Shooters who want a low-profile, ambidextrous flip-open optic cover
- Users needing a size 39 cover for a 2.22-inch objective outside diameter
- Hunters who value silent operation when preparing for a shot
Specifications
| Airtight O Ring | true |
|---|---|
| Ambidextrous Design | true |
| Color | Black |
| Fast Flip Push Tabs | true |
| Fits Outside Diameter Objective | 2.22 in (56.4 mm) |
| Material | Polymer |
| Model Number | 30390 |
| Objective Lens Cover Size | 39 |
| Silent Spring Hinge | true |
| Tested To | -40 deg. F |
| Water Tight Seal | true |
| Weatherproof | true |
Pros
- Custom fit design helps provide maximum protection for compatible objective lenses.
- Water-tight seal and airtight O-ring help keep out dirt and moisture.
- Fast flip push tabs allow quick access to the optic when needed.
- Silent spring hinge supports quiet operation in the field.
- Ambidextrous design works for left- or right-handed use.
- Fits 2.22-inch outside diameter objective lenses for size 39 compatibility.
Considerations & Trade-offs
- Objective-size fit means this cover is specific to optics with a 2.22" (56.4 mm) outside diameter, so compatibility should be checked carefully before ordering.
- The friction-mount, custom-fit design is intended to stay secure, but it also means installation and removal are tied to the exact optic dimensions.
- The flip-open design adds quick access, but it is still an added component on the optic that may not suit hunters who prefer a completely unobstructed setup.
- Weatherproof and airtight sealing are stated features, but they do not eliminate the need to verify the cover is properly sized and seated on the scope.
Suggested Comparisons
- Objective lens covers
- Flip-open scope covers
- Weatherproof optic protection
- Scope accessories
Suggested Accessories
- Scope mount accessories
- Lens cleaning kit
- Optics storage case
- Protective scope cover
Frequently Asked Questions
What objective lens size does this cover fit?
This Butler Creek Flip-Open Scope Cover is Objective Size 39 and is listed to fit a 2.22" (56.4 mm) outside diameter objective.
How does the cover attach to the scope?
It uses a custom-fit friction mount with a water-tight seal to anchor to the optic.
Does it help keep out moisture and dirt?
Yes. The product description says it has a weatherproof, airtight O-ring seal designed to keep out dirt and moisture.
Is the flip-open action quiet enough for hunting?
The description says it has a silent spring hinge, which is intended to allow quick access without spooking game.
What material and color is this scope cover?
The provided specifications list it as polymer in black.