The Hawke Flip-Up Cover Objective 50mm AO (Model 61010) is a dedicated metal lens protection accessory designed specifically for Hawke riflescopes featuring front-mounted adjustable objectives. CNC machined from high-grade aluminium with a matte black finish, this cover screws directly into the objective bell threads to shield optical glass from dust, moisture, mud, and accidental impacts in the field. Its mechanical hinge design supports full 360-degree radial orientation and allows swift, one-handed operation without compromising sight picture access.

Key Features

• CNC Machined Aluminium Construction: Built from durable aluminium to prevent the cracking, UV degradation, and hinge failure common to standard plastic covers in harsh outdoor environments.
• 360-Degree Orientable Hinge: Utilises a threaded collar design that allows the user to position the hinge opening at any angle (upward, sideways, or angled) to clear rifle barrels, actions, or tall turret caps.
• One-Handed Operation: Integrated with an ergonomic tactile lip that enables fast, quiet opening and closing using a single finger or gloved hand.
• Recoil Resistant: Engineered for direct mechanical thread attachment to withstand the bi-directional recoil of high-powered spring-piston airguns and heavy centrefire calibres without slipping or opening accidentally.

Technical Specifications

• Compatible Lens Diameter: 50 mm Adjustable Objective (AO)
• Fitment Interface: Direct threaded installation
• Hawke Scope Compatibility: Hawke 50mm AO models from the 2015 collection onwards
• Material: CNC machined aluminium
• Finish: Matte black
• Power Source: None (Purely mechanical)

Who is the Hawke Flip-Up Cover Objective 50mm AO for?

• Australian rimfire and centrefire hunters — Requires direct-threaded aluminium lens protection that screws into Hawke 50 mm adjustable objective scope bells (2015 collection onwards) to safeguard front glass elements against impact and debris while moving through dense scrub.
• Pest control shooters using airguns — Demands a robust 50 mm objective flip cover that maintains its position and resists opening under the heavy forward-and-reverse recoil impulse of spring-piston air rifles fitted with front-focus optics.

Less suitable for: Riflescopes featuring fixed objectives or side focus (SF) turrets, as well as pre-2015 Hawke models, which have differing objective thread pitches and require non-AO threaded flip covers or slip-on optical caps.