Which specific rifle models and actions are compatible with the Leupold LE50003 1-Piece Base?

This base is engineered specifically for Right-Hand, Long Action (RH-LA) Remington 700 receivers. It is also functionally compatible with other actions utilizing the same footprint, including the Remington 721, 725, 40X, BSA Monarch, Mossberg 1500/1700, Ruger M77 Round Receiver, and Smith & Wesson 1500 Long Action rifles.

What rings are required to mount a scope using this Leupold Standard base?

The LE50003 base exclusively accepts Leupold Standard (STD) rings. These rings feature a forward turn-in dovetail and a rear windage-adjustable design, which uses dual opposing windage screws to keep your scope's internal adjustments perfectly centered for optimal optical performance.

Are there any Australian electrical or regulatory compliance requirements like RCM certification for this product?

No electrical standards such as 240V compatibility, SAA approvals, or RCM certifications apply because this is a strictly mechanical, non-powered steel firearm accessory. However, customers must ensure that purchasing and owning firearm parts complies with their respective Australian state and territory police registry regulations.

Scope Mount Base - Leupold LE50003

The Leupold Standard (STD) Remington 700 Right Hand, Long Action (RH-LA) 1-Piece Scope Mount Base is a precision-engineered steel mounting solution designed to provide maximum stability for your rifle optics. Machined from solid steel, this low-profile one-piece base is tailored specifically to fit the right-hand, long-action receiver footprint of the Remington 700. By choosing a single-piece construction, shooters benefit from increased receiver stiffness and exceptional structural integrity compared to multi-piece alternatives. Designed with a highly polished gloss black finish, this base is the perfect aesthetic match for traditional blued steel receivers and high-gloss scopes.

Key Features

Rugged One-Piece Steel Construction: Machined from solid steel for superior strength, ensuring tighter tolerances and enhanced structural rigidity that keeps your optics securely zeroed.
Turn-In Dovetail and Windage-Adjustable Design: The forward section utilizes a tight turn-in dovetail ring mechanism to solidly lock the front of the scope in place. The rear of the base features dual opposing windage screws, allowing for precise lateral adjustments during the initial bore-sighting process. This keeps your rifle scope's internal windage adjustments centered for optimal optical clarity.
Highly-Polished Gloss Finish: Features a premium gloss black finish designed to seamlessly complement high-gloss scopes and traditional blued steel rifle barrels.
Versatile Receiver Footprint Compatibility: While specifically engineered for the Remington 700 RH-LA, it is also functionally compatible with several other actions sharing the same footprint, including the Remington 721, 725, 40X, BSA Monarch, Mossberg 1500, Mossberg 1700, Ruger M77 (round receiver version), and Smith & Wesson 1500 Long Action rifles.
Optimised for Heavy Calibres: Rigidity and strength are optimised to handle recoil profiles up to and including standard long-action calibres like the .300 Winchester Magnum.

Technical Specifications

Brand: Leupold
Model/MPN: 50003 (also designated as LE50003 or LP50003)
Material: Machined Steel
Finish: Gloss Black
Base Type: Standard (STD) One-Piece Base
Rifle Compatibility: Remington 700 Right-Hand Long Action (RH-LA) and compatible actions (Remington 721, 725, 40X, BSA Monarch, Mossberg 1500/1700, Ruger M77 Round Receiver, Smith & Wesson 1500 LA)
Ring Compatibility: Exclusively accepts Leupold Standard (STD) rings
Recommended Maximum Calibre: Up to and including .300 Winchester Magnum
Product Type: Mechanical firearm accessory (non-powered, no electrical compliance or RCM required for Australian use)

Who It Is For

This high-quality mounting base is designed for Australian hunters, target shooters, and sporting rifle enthusiasts who demand a classic, traditional aesthetic without compromising on structural integrity. It is ideal for those setting up long-action sporting rifles for hunting medium to large game or for precision target shooting where maintaining zero under recoil is paramount. Because this mechanical accessory does not require electrical power, it is exempt from standard Australian electrical certifications, making it a straightforward, compliant addition to your rifle build. It is perfect for shooters who prefer to use Leupold's windage-adjustable ring system to align their optics perfectly before making internal turret adjustments.

SKU	LD39045LP
Model #	LE50003
Brand	Leupold
Shipping Weight	1.0000kg

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Leupold Le50003 Scope Base Remington 700 Long Action Gloss Black Steel

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