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Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, Second Focal Plane, Color: Black, Tube Diameter: 30 mm — Free 2 Day Shipping w/ code 2DAYAIR — 4 models

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Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
1 of 3 videos
Leupold Product 101 - Mark 4HD
2 of 3 videos
Leupold Mark 4HD Riflescope
3 of 3 videos
Leupold - A Quick Look at the New Mark 4HD
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
1 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
2 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
3 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
4 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
5 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
6 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
7 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
8 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
9 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
10 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
11 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
12 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
13 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
14 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
15 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
16 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
17 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
18 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
19 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
20 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
21 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
22 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
23 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
24 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
25 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
26 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738
27 of 27 images
Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738

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Questions & Answers
Says first focal plane in choices but second focal plane in info. Please clarify

There are options in both first and second focal plane: the TMR MIL reticle is available in either, for the same cost. It is confusing how Leupold has organized option for all the HD series. The best way to determine is by the model number: 183737 is TMR / illuminated SFP, while 183738 is TMR / illuminated FFP.

by AlexTheGhost, Verified Owner, June 11, 2025
See 1 More Answer
What does this scope weigh? Thanks Expert Answer

The Leupold Mark 4HD 2.5-10x42 Rifle Scope weighs 21.5 ounces.

by Ethan, Gear Expert, May 7, 2024
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Great Optic by BT, Verified Owner, November 7, 2025
Put it on my 18” ar build and have been very impressed all around with it so far. I think you get a good value for what you’re paying. You’re getting the same glass as the mk5 HDs and similar controls and feel. The scopes with illumination also have ...
Read More...
1/1 found this helpful
Helpful Positive Review
Really good not great by Vash963, July 3, 2025
I picked this up to compare it to my nxs 2.5-10 and I it is fine. Glass quality is really good, the reticle is nice, but it is a bit too thick. The fit and finish is great, controls are good, the zero stop is intuitive and in my opinion superior to t...
Read More...
1/2 found this helpful
Helpful Positive Review
Perfection by Pointman556, October 18, 2024
This New mark 4hd sits on a 14.5 urban SPR build. It is accompanied by adult point Pro at the 12 o’clock position. The scope itself is super high-quality, glass is superior and 2nd to none. I was not sure about the prospect of pushbutton illuminati...
Read More...
8/8 found this helpful
Most Recent Reviews
Best bang for the buck by Jdgreen, Verified Owner, March 26, 2026
This scope has crystal clear glass and is a joy to use and a big shout out to optics planet for price matching and fast shipping
Read All 4 Reviews

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Product Info for Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, Second Focal Plane

Upgrade every gun in your safe with a rugged Mark 4HD riflescope. We took the legendary performance of our Mark 5HD and gave it a slimmer maintube thats been packed full of professional-grade features. Whether youre a dedicated enthusiast or a uniformed professional, the Mark 4HDs optical clarity and lightweight design will get the job done at the range or in the field. The Mark 4HD series features four magnification ranges, giving you an accurate and reliable option for close-quarter engagements, long-range dominance, and everything in between. Theyre available with a three-turn elevation dial for unmatched confidence at extreme distances, a precise ZeroLock windage adjustment that wont budge when knocked around, and a side focus thatll give you tack-sharp images down to 25 yards. And like all Leupold riflescopes, theyre waterproof, fogproof, and backed by our lifetime guarantee.image

Specifications for Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, Second Focal Plane:

Manufacturer: Leupold
Objective Lens Diameter: 42 mm
Magnification: 2.5 - 10 x
Tube Diameter: 30 mm
Color: Black
Water Resistance Level: Waterproof
Fogproof: Yes
Magnification Type: Variable
Gun Type: Rifle

Features of Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, Second Focal Plane

  • Professional-Grade Optical System
  • 4:1 zoom ratio
  • 30mm and 34mm maintubes
  • Ultra-lightweight design
  • High-speed power selector
  • Removable throw lever
  • MIL or MOA adjustments/reticles,Precise tracking andreturn to zero
  • Lens covers included,Waterproof/Fogproof
  • Guaranteed for life

Package Contents:

  • Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, Second Focal Plane

Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, Second Focal Plane Orderable Models

List of Orderable Models

  • Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, TMR, Black, Small, 183740 , MPN: 183740 , UPC: 030317036751 , Code: LU-RS-MARK251-183740
  • Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, PR1-MOA, Black, Small, 183741 , MPN: 183741 , UPC: 030317036737 , Code: LU-RS-MARK251-183741
  • Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, First Focal Plane, Illum. TMR, Black, Small, 183738 , MPN: 183738 , UPC: 030317036744 , Code: LU-RS-MARK251-183738
  • Leupold Mark 4HD 2.5-10x42 Rifle Scope, 30mm Tube, Second Focal Plane, illum. TMR, Black, Small, 183737 , MPN: 183737 , UPC: 030317036768 , Code: LU-RS-MARK251-183737
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