The Butler Creek Multiflex Flip Open 33-34 Objective scope cover protects optic lenses from water, dust, and abrasive debris in the field. Engineered with a flexible polymer friction collar, it slips over the outer bell housing of compatible riflescopes to provide a watertight and airtight seal. When a shot presents itself, the spring-loaded lid opens silently with a flick of the thumb, clearing the sight picture instantly without alerting game.

Key Features

• Multi-Flex Polymer Collar: Stretches across standard size increments to create a tight friction fit on objective housings measuring 51.90 mm to 53.50 mm (2.043 in to 2.100 in).
• Silent Spring-Loaded Action: Uses a spring-actuated hinge pin that flips the lid open instantly and silently with minimal thumb pressure.
• Weatherproof Seal: Incorporates an internal semi-O-ring seal that blocks moisture, rain, snow, fine sand, and dust from contacting objective glass.
• Sub-Zero Thermal Tolerance: Operates down to -40 °C (-40 °F) without the polymer collar cracking or the hinge mechanism seizing.
• Lightweight Construction: Weighs between 23 g and 36 g, adding negligible weight to the front of the optic assembly.

Product Specifications

• Compatible Outer Diameter: 51.90 mm to 53.50 mm (2.043 in to 2.100 in)
• Placement: Riflescope objective bell (front lens)
• Attachment Method: Slip-on friction fit
• Material: Matte black polymer with metal hinge pin
• Minimum Operating Temperature: -40 °C (-40 °F)
• Weight: 23 g to 36 g (approx. 0.08 lb)

Who is the Butler Creek Multiflex Flip Open 33-34 Objective for?

• Hunters in extreme weather and dusty terrain — Shields delicate front lens glass from rain and fine dust with an airtight seal, maintaining full mechanical function down to -40 °C (-40 °F) without cracking or freezing shut.
• Pest control shooters — Mounts onto 51.90 mm to 53.50 mm objective housings to deliver silent, thumb-actuated spring deployment that opens the flip-open rifle scope objective cover instantly without spooking targets.

Less suitable for: Riflescope bells measuring under 51.90 mm or over 53.50 mm, which require smaller or larger sized objective covers, and riflescope ocular eyepiece bells, which require dedicated ocular push-button covers.