Which specific rifle models are compatible with the Leupold LE52980 2-piece base?

The Leupold LE52980 is specifically engineered to fit Cooper Model 21, Model 38, and Model 57 rifles. This precision fit ensures a secure and robust interface tailored exclusively for these firearm models without requiring custom modifications.

Are there any Australian electrical or RCM regulatory requirements I need to worry about for these mounts?

No, because the Leupold LE52980 is a completely mechanical steel firearm accessory containing no electronic components or wiring, it is entirely exempt from Australian electrical safety approvals, RCM labeling, and 240V power compatibility requirements.

How do the windage adjustment and turn-in design of these bases assist with bore-sighting?

The front base accepts a standard turn-in dovetail ring that pivots for lateral movement, while the rear base utilizes windage adjustment screws. This design allows you to perform coarse lateral bore-sighting adjustments directly through the mount, preserving your scope's internal windage adjustments for fine-tuning at the range.

What material is the LE52980 base made from, and how does it handle harsh Australian bush conditions?

The LE52980 is constructed from forged and machined steel with a durable matte black finish. This heavy-duty steel construction is built to withstand the demanding environmental conditions often encountered during hunting and precision shooting across the Australian outback.

Scope Mount Base - Leupold LE52980

The Leupold Standard (STD) Cooper 38/21/57 2-Piece Mounting Base (LE52980) is a professionally engineered, steel scope mounting system designed to provide a secure and reliable connection between your optic and firearm. Manufactured from high-grade machined and forged steel, this matte black 2-piece base is built to withstand heavy recoil and the demanding environmental conditions often encountered in the Australian bush. Specifically tailored for Cooper rifles, it ensures precise alignment and optimal stability for your hunting or target shooting setup.

Key Features:

Two-Piece Versatility: The split, two-piece configuration offers maximum clearance over the rifle's breech area, allowing for convenient manual cartridge loading, clearing, and breech cleaning.
Turn-In and Windage Adjustability: Features a turn-in front base that accepts standard dovetail rings, paired with a windage-adjustable rear base. This allows shooters to make coarse lateral adjustments directly on the mount, saving the scope's internal windage adjustments for precise on-range zeroing.
Elevation Shimming: Designed to allow the placement of shims under the bases to make gross elevation adjustments, preserving your scope's internal elevation travel for long-range bullet drop compensation.
Durable Steel Construction: Forged and machined steel construction delivers exceptional strength and recoil resistance, ensuring your zero remains unaffected under harsh field conditions.
Complete Mounting Hardware: Comes supplied with high-quality Torx mounting screws and a matching Torx wrench for straightforward, secure installation.

Specifications:

Brand: Leupold
Model / Part Number: LE52980
Material: Machined / Forged Steel
Finish: Matte Black
Base Configuration: 2-Piece
Cant: 0 MOA
Mounting Style: Turn-in Front / Windage-adjustable Rear
Rifle Compatibility: Cooper Model 21, Cooper Model 38, and Cooper Model 57

Who It's For:

The Leupold LE52980 Mounting Base is designed specifically for Australian target shooters, hunters, and precision marksmen who own premium American-made Cooper Model 21, Model 38, or Model 57 rifles. It is an essential accessory for those who require a heavy-duty, completely mechanical mounting solution that guarantees zero retention under the recoil of both centerfire and rimfire calibres, making it ideal for pest control, field hunting, and competitive range shooting across Australia.

SKU	LD39058LP
Model #	LE52980
Brand	Leupold
Shipping Weight	1.0000kg

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Leupold Le52980 Std 2-Piece Mounting Base Steel Matte Black

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