What rifle scope tube diameters and base types are compatible with the Leupold Open Range High Rings?

The Leupold Open Range High Rings (Model 180945) are specifically designed to fit any riflescope with a 1-inch maintube. They feature a versatile cross-slot design engineered to securely connect to both standard Picatinny (MIL-STD-1913) and Weaver-style mounting bases.

What objective lens sizes are best suited for the 'High' ring height in Australian hunting conditions?

The High height variant is ideal for mounting 1-inch tube scopes with larger objective lenses, typically ranging from 44mm to 50mm depending on your rifle barrel contour. This extra clearance prevents the scope bell from contacting the rifle barrel, which is crucial for maintaining a precise zero during outback hunts.

Are these Leupold mounting rings subject to any Australian electrical or regulatory certifications like RCM or SAA?

No, these mounting rings are entirely mechanical, non-electronic accessories manufactured from lightweight 6061-T6 aircraft-grade aluminum. Because they contain no battery compartments or electronic components, regulations such as Australian 240V compatibility, SAA safety approvals, and the Regulatory Compliance Mark (RCM) do not apply.

How do these rings prevent scope movement during heavy recoil on common bolt-action hunting calibers?

The Leupold Open Range rings feature integral, milled-in recoil lugs that fit securely directly into your base slots. Combined with low-profile keeper screws, this design prevents the scope from shifting or slipping under heavy, repeated recoil encountered in demanding field environments.

Scope Rings - Leupold LE180945

The Leupold Open Range Cross-Slot Rings 1" High Matte (Model: LE180945) provide a reliable and lightweight mounting solution designed to secure your riflescope under demanding conditions. Engineered from high-strength 6061-T6 aircraft-grade aluminum, these rings offer exceptional structural integrity without adding unnecessary bulk to your firearm. Featuring a cross-slot design, they mount securely to both Picatinny (MIL-STD-1913) and Weaver-style bases. This makes them a highly versatile choice for Australian hunters and sport shooters who require dependable zero-retention on a variety of rifle platforms, from rimfires to high-caliber bolt-action rifles.

Key Features:

Milled-In Recoil Lugs: Integral machined recoil lugs fit precisely into base slots, preventing scope slippage and maintaining alignment under heavy, repeated recoil.
Low-Profile Keeper Screws: Engineered with low-profile hardware to streamline your mounting setup, reducing the risk of catching on clothing, branches, or thick scrub in the field.
Aircraft-Grade Aluminum Construction: Machined from lightweight 6061-T6 aluminum to keep your overall rifle weight down while ensuring maximum durability.
Cross-Slot Compatibility: Fits easily onto both Weaver-style and Picatinny rails for broad compatibility across different receivers.
Complete Set: Packaged and sold as a matching pair (two rings included) to complete your optic installation.

Technical Specifications:

Brand: Leupold
Model/MPN: 180945 (also designated as LE180945)
Tube Diameter Compatibility: 1 inch (25.4 mm)
Ring Height: High
Construction Material: 6061-T6 aircraft-grade aluminum
Finish: Matte Black
Base Compatibility: Picatinny (MIL-STD-1913) and Weaver rails

Who It Is For:

The Leupold Open Range Cross-Slot Rings 1" High Matte are specifically designed for hunters and target shooters utilizing riflescopes with 1-inch maintubes and larger objective lenses, such as 44mm to 50mm objectives. The "High" profile height provides the necessary clearance between the scope's objective bell and the rifle barrel. This setup is highly suited for Australian hunting environments, whether tracking game through dense bushland or shooting from a stable rest. Because this product is a purely mechanical, non-electronic firearm accessory, it is fully legal for import, ownership, and use across all Australian states and territories without requiring specialized firearm dealer licensing or electrical safety certifications (such as SAA or RCM compliance).

SKU	LD38694LP
Model #	LE180945
Brand	Leupold
Shipping Weight	1.0000kg

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Leupold Le180945 Open Range Rings 1 Inch High Matte

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