Butler Creek 30200 Flip-Open Black Polymer Objective Lens Cover - 43.20mm Size 20

The Butler Creek 30200 Flip-Open Black Polymer Objective Lens Cover in Size 20 (43.20mm) is a purpose-built lens protector for hunters and shooters who won't compromise on glass clarity when it counts. When you're glassed up on game or dialed in at the range, the last thing you need is dust, moisture, or condensation fogging your optics. This flip-open objective cover mounts securely to your scope with a custom-fit friction design and stays in place until you need it—then pivots away silently with a flick of your thumb, keeping your shot window clear in a heartbeat.

Built from durable black polymer, the Butler Creek cover is light enough (less than an ounce) that it won't affect your sight picture or handling, yet rugged enough to perform in harsh conditions. The semi-O-ring seal keeps dust and moisture locked out, and the silent spring hinges won't telegraph movement to wary game. Whether you're hunting in drizzle, driving through dusty country, or just protecting glass between sessions, this cover earns its real estate on your rifle.

Size 20 fits objective bells with a 43.20mm diameter—double-check your scope's front bell against the Butler Creek sizing chart to ensure a proper fit. The watertight, airtight design has been tested down to –40°F, so your optics stay clean and clear whether you're hunting high country in winter or glassing in wet lowlands. Truly ambidextrous, so lefties and righties alike can flip it open instantly.

Key Features

• Flip-open design allows instant access to your objective lens without removing the cover
• Silent spring hinges won't spook game or alert targets
• Custom-fit friction mount anchors securely to your scope
• Semi-O-ring seal creates watertight and airtight protection against dust and moisture
• Rated to –40°F for extreme weather performance
• Ambidextrous operation—works equally well for left- and right-handed shooters
• Featherweight design at less than one ounce
• Durable black polymer construction

Specifications

Frequently Asked Questions

How do I know if Size 20 is correct for my scope?

Size 20 is designed for objective bells with a 43.20mm diameter. Measure your scope's front bell or consult the Butler Creek sizing chart to confirm the fit before ordering. A proper fit is critical for the friction mount to anchor securely and the seal to work effectively.

Will this cover work on left-handed rifles?

Yes. The Butler Creek 30200 is truly ambidextrous—the flip-open hinge and spring mechanism work equally well whether you shoot left or right handed, so you can mount it and operate it comfortably regardless of your dominant hand.

What's included in the package?

You receive the Butler Creek 30200 Flip-Open Objective Lens Cover. It mounts directly to your scope's objective bell using the custom-fit friction mount system; no additional tools or hardware are required.

Can this cover protect my scope in wet conditions?

Yes. The semi-O-ring seal creates a watertight barrier to keep moisture and dust out of your objective lens, and the cover has been tested to perform in temperatures down to –40°F, making it reliable in rain, snow, and other harsh weather.