The LEUPOLD Mark-4 3.5-10x40 LR/T M1 Rifle Scope, Mil-Dot Reticle, Matte Black (52128) is arguably one of the most dependable, highest performing riflescopes you'll find anywhere. Its accuracy is proven in the field. Its rugged and absolute waterproof integrity is unquestionable. This Mark-4 Long Range/Tactical riflescope is everything a long-range competitive shooter, target shooter, or hunter could ask for.
Every component of the Leupold Mark-4 LR/T M1 Leupold rifle scope is working together to help you make every shot count, at the range, or in the field. Outstanding accuracy, legendary ruggedness, and absolute waterproof integrity. All Leupold optics offer performance that makes them equally at home in hunting or tactical environments.
The Index Matched Lens System has nearly perfected Leupold's already impeccable light management. Leupold engineers specify different coating materials for each lens surface in the riflescope, based on the lens' index of refraction, placement and function, layering each coating to eliminate reflections and maximize light transmission. The result is unparalleled brightness and extremely sharp resolution across the entire visual field.
Leupold Mark-4 Long Range/Leupold tactical riflescopes are excellent choices for both long-range hunting and varminting. Likewise long-range competitive shooters and members of the Fifty Caliber Shooters Association - men and women who shoot competitively at ranges of 600 yards or more - rely on the accuracy and durability of these scopes.
The Mil-Dot reticle provides accuracy of range estimation for hunters and target shooters. With practice, the Mil-Dot system is simple to use. Dots are spaced in one mil (milliradian) increments on the crosshair. Using the mil formula, the shooter can create a table based on the known size of the object targeted. Just look through the scope, bracket the object between dots, and refer to the table for an estimated distance to the target.
Other features for the Mark-4 LR/T M1 include: 30mm maintube; finger-adjustable 1/4-MOA windage and elevation adjustments with audible, tactile clicks; 65-MOA of both windage and elevation adjustment. Side focus parallax adjustment for fast, easy parallax focusing from 75 yards to infinity, from any shooting position. Flip-open lens covers are standard issue with each Mark 4 LR/T riflescope.
Objective Lens Diameter, mm
Field of View (FOV) @ 100yds, ft / FOV @ 100m, m
29.9–11.0 / 10.0–3.7
Exit Pupil, mm
Eye Relief, mm
Tube Diameter, mm
Click Value, in @ 100yds
0.25" (1/4 MOA)
Windage Adjustment Range, in @ 100yds
65" (65 MOA)
Elevation Adjustment Range, in @ 100yds
65" (65 MOA)
Index Matched Lens System
Objective Outside Diameter, mm
Eyepiece Outside Diameter, mm
The Index Matched Lens System delivers superior resolution from edge to edge of the visual field, along with peak image brightness and optimal contrast
Side focus parallax adjustment for fast, easy parallax focusing from 75 yards to infinity, from any shooting position
Finger-adjustable 1/4-MOA windage and elevation adjustments with audible, tactile clicks
Once sighted in adjustment knobs can be zeroed
The 30mm maintube offers incredible strength and allows for the greater range of windage and elevation adjustment
65-MOA each of windage and elevation adjustment
Flip-open lens covers are standard issue with each Mark-4 LR/T riflescope
Rugged and absolutely waterproof, LR/T riflescopes can withstand incredible abuse
Mil-Dot reticle provides accuracy of range estimation for hunters and target shooters
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