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Leupold Mark 4HD 4.5–18×52 Rifle Scope M1C3 Side Focus FFP Illuminated PR1-MOA Reticle Rifle Scope Leupold
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  • Leupold Mark 4HD 4.5–18×52 Rifle Scope M1C3 Side Focus FFP Illuminated PR1-MOA Reticle Rifle Scope Leupold
  • Leupold Mark 4HD 4.5–18×52 Rifle Scope M1C3 Side Focus FFP Illuminated PR1-MOA Reticle Rifle Scope Leupold
  • Leupold Mark 4HD 4.5–18×52 Rifle Scope M1C3 Side Focus FFP Illuminated PR1-MOA Reticle Rifle Scope Leupold
  • Leupold Mark 4HD 4.5–18×52 Rifle Scope M1C3 Side Focus FFP Illuminated PR1-MOA Reticle Rifle Scope Leupold
  • Leupold Mark 4HD 4.5–18×52 Rifle Scope M1C3 Side Focus FFP Illuminated PR1-MOA Reticle Rifle Scope Leupold
Leupold Mark 4HD 4.5–18×52 Rifle Scope M1C3 Side Focus FFP Illuminated PR1-MOA Reticle

Leupold Mark 4HD 4.5–18×52 Rifle Scope M1C3 Side Focus FFP Illuminated PR1-MOA Reticle

£1,849.99
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Flexible returns

Leupold Mark 4HD 4.5–18×52 Rifle Scope M1C3 Side Focus FFP Illuminated PR1-MOA Reticle

(Model 183623)

Features

  • 4:1 Zoom Ratio: Integrated throw-lever for fast transitions between 4.5× (wide field) and 18× (precision).
  • First-Focal-Plane Illuminated PR1-MOA Reticle: Glass-etched Tactical Milling Reticle calibrated in MOA for hold-over/hold-off at all magnifications; red-LED illumination with seven daylight-bright settings.
  • M1C3 ZeroLock® Turret System:
    • Elevation: Exposed turret; ¼ MOA per click; 25 MOA per revolution; 125 MOA total travel with ZeroStop® to return to zero.
    • Windage: Capped turret; ¼ MOA per click; 24 MOA per revolution; 65 MOA total travel under lockable cap.
  • 25 Yard Side Focus: Quick-set parallax dial adjusts from 25 yd to infinity for razor-sharp reticle alignment.
  • Professional-Grade Optics: Fully multi-coated lenses and prisms (Xtended Twilight® system) deliver exceptional light transmission, contrast, and edge-to-edge clarity.
  • Rugged Construction: CNC-machined 34 mm main tube of 6061-T6 aluminum with matte-black hard-coat anodize; waterproof, fog-proof (IPX7), and shock-proof to absorb .50 BMG recoil.
  • Made in USA & Lifetime-Guaranteed: Built, machined, and assembled domestically under Leupold’s exacting quality standards.

Technical Specifications for Leupold Mark 4HD 4.5–18×52 Rifle Scope M1C3 Side Focus FFP Illuminated PR1-MOA Reticle

Specification

Details

Model / MPN

183623

SKU

183623

UPC

030317036706

Magnification

4.5 × ⇄ 18 ×

Objective Lens Diameter

52 mm

Tube Diameter

34 mm

Reticle

Illuminated PR1-MOA (FFP, glass-etched)

Illumination Settings

7 daylight-bright levels

Elevation Adjustment

Exposed M1C3 ZeroLock® turret; 0.25 MOA/click; 25 MOA/rev; 125 MOA total

Windage Adjustment

Capped turret; 0.25 MOA/click; 24 MOA/rev; 65 MOA total under cap

Parallax Focus

Side focus; 25 yd to ∞

Eye Relief

4.0″ (102 mm) constant

Field of View @ 100 yd

23.1 ft (low) ⇄ 5.9 ft (high)

Length

14.6″ (371 mm)

Weight

27 oz (766 g)

Housing Material / Finish

6061-T6 aluminum; hard-coat anodize (matte black)

Waterproof / Fog-Proof

Yes (IPX7)

Shock Resistance

Rated to withstand .50 BMG recoil

Included Accessories

  • Throw-lever
  • ZeroLock® windage cap
  • Protective lens covers
  • User manual

SEO Keywords
Leupold MARK 4HD 4.5–18×52 183623, FFP Illuminated PR1-MOA scope, M1C3 ZeroLock turrets, tactical side-focus riflescope.

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Frequently asked questions
What is the return policy?

Our goal is for every customer to be totally satisfied with their purchase. If this isn’t the case, let us know and we’ll do our best to work with you to make it right. 14 day return if you are not happy. Things must be unopened and in original packaging, unless it is faulty.
Are any purchases final sale?

No, you can cancel at anytime and will receive a full refund. We will always work with you.
When will I get my order?

Shipping & Delivery

  • We work quickly to process and ship your order as soon as possible.
  • Once your order has shipped, you’ll receive an email with full tracking details.

Delivery Times

  • Standard delivery from our USA suppliers: 7–10 working days (usually within a week)
  • UK Stock Collection items ship within 24 hours.

Stock & Sourcing

  • Due to limited demand, we do not hold inventory in the UK. All products ship direct from our USA suppliers to us then we ship to you so you don’t pay any imports fees.

Insurance & Guarantees

  • Orders over £300: Free Royal Mail Special Delivery (Guaranteed Next Day, Fully Insured)
  • Orders under £300: Royal Mail Tracked service for £3.99
Where are your products manufactured?

Our products are manufactured both in USA and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.

How much does shipping cost?

Shipping & Insurance

Orders over £300 ship free via Royal Mail Special Delivery, guaranteed next day and fully insured.


Orders under £300 ship via Royal Mail Tracked for a flat fee of £3.99.

Our signature product.

Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.

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