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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

Regular price $1,599.99 USD
Regular price Sale price $1,599.99 USD
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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

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