Leupold Mark 3HD - 1.5-4x20mm Riflescope
- Rifle Scope
- 20 mm
- 1.5x
- 4x
- Better rated than 69%
A low-power variable scope reviewers rate highly for glass clarity and smooth turrets at a price below Leupold's other Mark 3HD models.
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How it ranks among the 359 rifle scopes we track
4.7★ across 40 Amazon ratings, Bayesian-smoothed toward the category average.
40 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 359 rifle scopes we track - how the scorecard works · full rifle scopes data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 22, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The Leupold Mark 3HD (model 180662) is a 1.5-4x20mm riflescope with an illuminated FireDot SPR reticle, built for short to medium range rifles including AR platforms and lever guns.
- 1.5-4x20mm illuminated FireDot SPR reticle
- P5 dial with 1/10 MIL adjustments
- Waterproof, fogproof, shockproof
- Machined and assembled in the USA
Who it's for
Hunters and shooters mounting a low-power variable scope on an AR-platform rifle or a lever-action like a Marlin 1895, working at ranges up to a few hundred yards. Not built as a long-range precision optic.
What buyers say
From Amazon customer reviews.
Owners praised the glass clarity, the smooth transitions between illumination brightness settings and how little weight it adds to a rifle, reporting good results on AR platforms and lever guns like the Marlin 1895 out to 350 yards; one reviewer's main complaint was wanting a true 1x low end rather than 1.5x.
Strengths and trade-offs
Drawn from this product's published specifications.
- Clear glass with smooth illumination brightness clicks
- Holds zero across AR and lever-action rifles
- Waterproof, fogproof and shockproof build
- Priced below other Mark 3HD models
- Low end of zoom stops at 1.5x, not true 1x
- Limited to short to medium range use
Specifications
| Brand | Leupold |
|---|---|
| Model | 180662 |
| Dimensions & fit | |
| Objective Lens Diameter | 20 mm |
| Item Weight | 13.1 ounces |
| Construction & materials | |
| Material Type | Aluminum |
| Color | Illum. FirDot SPR (180662) |
| Compatibility & installation | |
| Mounting Type | Picatinny Mount |
| Compatible Devices | Rifle |
| Included components | |
| Included Components | Riflescope |
| Warranty & support | |
| Warranty Description | Lifetime |
| Other details | |
| Magnification Minimum | 1.5x |
| Magnification Maximum | 4x |
| Sport Type | Hunting |
| Reticle Type | Illum. FireDot SPR (180662) |
| Thread Type | Picatinny |
| Night vision | No |
| Product Style | Illum. FireDot SPR (180662) |
| Field Of View | 68.5 Feet |
| Item Type Name | Riflescope |
Other Leupold rifle scopes
How it compares
This product against the closest alternatives we track in rifle scopes.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Leupold Mark 3HD - 1.5-4x20mm RiflescopeThis product | 4.7 / 5 | 40 | 3.9 / 5 |
| UTG 3-12X44 30mm Compact ScopeUTG | 4.5 / 5 | 3,000 | 4.4 / 5 |
| Vortex Optics Diamondback Second Focal PlaneBrand | 4.7 / 5 | 1,500 | 4.3 / 5 |
| PINTY Tactical Rifle Scope Combo: Illuminated OpticsPinty | 4.4 / 5 | 1,100 | 4.3 / 5 |
| Firefield RapidStrike 1-6x24 SFP Riflescope KitFirefield | 4.5 / 5 | 900 | 4.3 / 5 |
Similar rifle scopes from other brands
Questions about the Leupold 180662
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What rifles does the Leupold Mark 3HD 180662 work well on?
Reviewers report good results on AR-platform rifles and lever-action rifles such as the Marlin 1895, as well as bolt guns like a Ruger American in 300 Blackout.
Is this scope waterproof?
Yes, Leupold rates it waterproof, fogproof and shockproof, and it is machined and assembled in the USA.
What's the reticle?
It uses an illuminated FireDot SPR reticle paired with a P5 dial for 1/10 MIL adjustments.