Leupold
Leupold Mark 4HD 2.5–10×42 Rifle Scope M5C3 SFP Illuminated TMR Reticle
Leupold Mark 4HD 2.5–10×42 Rifle Scope M5C3 SFP Illuminated TMR Reticle
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Leupold Mark 4HD 2.5–10×42 Rifle Scope M5C3 SFP Illuminated TMR Reticle (Model 183737)
Features
- 4:1 Zoom Ratio: Integrated throw-lever allows rapid changes between 2.5× (wide field) and 10× (precision).
- Second-Focal-Plane Illuminated TMR Reticle: Glass-etched Tactical Milling Reticle (MIL-rad) provides accurate hold-over and wind-hold at any magnification; red-LED illumination with seven daylight-bright settings.
- M5C3 Turret System: Exposed elevation turret with 0.1 MIL clicks, 10 MIL per revolution and 24.7 MIL total travel; capped windage under a ZeroLock® cap with 0.1 MIL clicks.
- Fixed Parallax: Optimized at 150 yd for a crisp, stationary reticle without extra knobs.
- Motion Sensor Technology™ & Electronic Level: Reticle illumination auto-activates on movement and powers down after ~5 min; built-in level indicator prevents cant errors.
- 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 30 mm 6061-T6 aluminum main tube with matte-black hard-coat anodize; IPX7 waterproof, nitrogen-purged and rated to withstand .50 BMG recoil.
Technical Specifications for Leupold Mark 4HD 2.5–10×42 Rifle Scope M5C3 SFP Illuminated TMR Reticle
Specification |
Details |
Model / MPN |
183737 |
SKU |
183737 |
UPC |
030317036768 |
Magnification |
2.5 × ⇄ 10 × |
Objective Lens Diameter |
42 mm |
Main Tube Diameter |
30 mm |
Reticle |
Illuminated TMR (SFP, glass-etched) |
Illumination Settings |
7 daylight-bright levels |
Elevation Adjustment |
M5C3; 0.1 MIL/click; 10 MIL/rev; 24.7 MIL total |
Windage Adjustment |
0.1 MIL/click under ZeroLock® cap; 24.7 MIL total |
Parallax |
Fixed at 150 yd |
Eye Relief |
3.6″ – 3.9″ (94 – 99 mm) |
Field of View @ 100 yd |
44.8 ft (low) ⇄ 11.0 ft (high) |
Overall Length |
12.5″ (318 mm) |
Weight |
21.5 oz (609 g) |
Housing Material / Finish |
6061-T6 aluminum; matte-black hard-coat anodize |
Waterproof / Fog-Proof |
IPX7 |
Shock Resistance |
Rated to withstand .50 BMG recoil |
Included Accessories
- Integrated magnification throw-lever
- ZeroLock® windage cap
- Flip-up lens covers
- User manual
SEO Keywords
Leupold Mark 4HD 183737, 2.5–10×42 SFP Illuminated TMR, M5C3 turret riflescope, tactical side-focus MST optic.
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