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
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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
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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