Description
Butler Creek Flip-Open Objective Scope Covers provide reliable protection for your scope lenses. Designed with a custom fit, these covers create a watertight and airtight seal, ensuring your optics remain clear and functional in any weather condition. The fast flip-open design allows you to keep your eye on the target, making it ideal for hunters and shooters who need quick access to their sights. Silent spring hinges ensure that you won’t spook game while adjusting your scope, giving you a tactical advantage during critical moments.
Crafted for durability, these covers are tested to function in extreme temperatures as low as -40°F. Weighing less than an ounce, they are lightweight and easy to carry without adding bulk to your gear. The semi-O-ring design keeps out dust and moisture, ensuring that your scope is always ready for use. For the best fit, refer to the size chart to select the correct cover size for your specific scope model.
Features:
- FAST FLIP-OPEN DESIGN for quick access to your scope.
- SILENT SPRING HINGES prevent spooking game while opening.
- WATER-TIGHT CUSTOM-FIT provides optimal protection from the elements.
- AIR-TIGHT SEMI-O-RING design keeps out dust and moisture.
- TESTED TO -40°F ensures performance in extreme conditions.
- TRULY AMBIDEXTROUS for seamless use by all shooters.
- LIGHTWEIGHT at less than an ounce, enhancing portability.
- MANUFACTURE SIZE: 51 for perfect compatibility with your scope.
Technical Specifications Table
| Feature | Specification |
|---|---|
| Size | 51 |
| Diameter | 2.575" / 65.4mm |
| Weight | Less than 1 oz |
| Material | Durable plastic with semi-O-ring |
| Temperature Resistance | Tested to -40°F |
What's in the Box?
- 1 x Butler Creek Flip-Open Objective Scope Cover
- 1 x Size Chart for optimal fit selection
Customer Reviews
"These covers are fantastic! They stay on tight and flip open silently. Perfect for my hunting trips!"
"I've tested these in the rain, and they keep my lens dry. Highly recommend!"
"Lightweight and durable. I love that they don’t add any bulk to my scope."
FAQ
How do I choose the right size cover for my scope? The Butler Creek Flip-Open Scope Covers come in various sizes. It’s essential to refer to the size chart provided to ensure a proper fit for your specific scope model. This ensures maximum protection and functionality.
Can these covers withstand extreme weather conditions? Yes, these scope covers are tested to perform in temperatures as low as -40°F. Their watertight and airtight design helps keep your lenses protected from moisture, dust, and dirt, making them suitable for harsh outdoor conditions.
Are the covers easy to use with one hand? Absolutely. The fast flip-open design allows for quick access to your scope with minimal effort, which is especially useful when you need to make adjustments without losing sight of your target.
Similar Models
Looking for more options in scope covers? Explore our range of Butler Creek products, including models like the Butler Creek Flip-Open Eyepiece Cover for complete lens protection and the Butler Creek Snap-On Scope Cover for a traditional approach. Check out our full collection to find the perfect fit for your shooting needs.
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Optics Knowledge Center
Understanding Rifle Scope Basics
Magnification
Magnification refers to how much larger an object appears through the scope compared to the naked eye. Fixed power scopes have one magnification setting, while variable power scopes offer a range (e.g., 3-9x).
Objective Lens
The objective lens is the front lens that gathers light. Larger objective lenses (measured in mm) gather more light, providing brighter images in low-light conditions but add weight and require higher mounting.
Reticle
The reticle (crosshair) is the aiming point inside the scope. Modern scopes offer various reticle designs, from simple duplex crosshairs to complex ballistic reticles with holdover points for different distances.
Adjustments
Rifle scopes have turrets for windage (horizontal) and elevation (vertical) adjustments. These are measured in MOA (minutes of angle) or MRAD (milliradians) and allow precise aiming adjustments.
Proper Scope Mounting Guide
Select the Right Rings & Base
Choose rings that match your scope's tube diameter (typically 1", 30mm, or 34mm). Select a base compatible with your rifle's receiver. For heavy-recoiling rifles, opt for stronger mounts.
Install the Base
Clean the receiver and base thoroughly. Apply a small amount of blue Loctite to the screws. Attach the base to the receiver and torque the screws to manufacturer specifications.
Attach the Rings
Attach the bottom halves of the rings to the base. Place the scope in the rings and loosely attach the top halves. Don't fully tighten yet.
Set Eye Relief & Level
Position the scope for proper eye relief (3-4 inches) in your normal shooting position. Ensure the reticle is level using a scope leveling tool. Once positioned correctly, tighten the rings evenly in a cross-pattern.
Scope Zeroing Tips
Start Close
Begin zeroing at a shorter distance (25-50 yards) to ensure you're on paper before moving to your desired zero distance (typically 100 yards).
Use a Stable Rest
Always zero your rifle from a stable shooting position using a bench rest, sandbags, or a shooting rest to eliminate as much human error as possible.
Fire Groups
Fire 3-shot groups before making adjustments. This provides a more accurate representation of where your rifle is shooting than single shots.
Make Deliberate Adjustments
Know your scope's adjustment values (typically 1/4 MOA per click). If your group is 2 inches low at 100 yards, you'll need to adjust up 8 clicks (for a 1/4 MOA scope).
Confirm Your Zero
After making adjustments, fire another group to confirm your zero. Repeat the process until your point of impact matches your point of aim.
Document Your Settings
Once zeroed, record your settings including distance, ammunition used, and environmental conditions for future reference.
Optics Maintenance & Care
Cleaning Lenses
- Start by blowing or brushing away loose particles
- Use a lens pen or microfiber cloth for fingerprints
- For stubborn dirt, use lens cleaning solution (never household cleaners)
- Clean with gentle circular motions from center outward
Protecting Your Optics
- Always use lens caps when not in use
- Store in a dry place with silica gel packets
- Avoid extreme temperature changes
- Use a quality scope cover in harsh conditions
Regular Maintenance
- Check and tighten mount screws periodically
- Inspect O-rings and seals for damage
- Verify zero after rough handling
- Clean the exterior with a damp cloth
What to Avoid
- Never use fingers to touch lenses
- Avoid paper products (tissues, paper towels) on lenses
- Don't use acetone, alcohol, or household cleaners
- Never disassemble your scope (voids warranty)