Sightmark Core HX 3-9x40 Scope

• 3-9x hunting magnification: The 3-9x range covers close woodland shots as well as longer opportunities across fields, giving the scope the flexibility needed for stalking, deer hunting and general-purpose rifle use.
• HBR second focal plane reticle: The Hunter’s Ballistic Reticle combines a familiar sight picture with BDC and windage references, helping the shooter hold more confidently on game without cluttering the view at low magnification.
• Fully multi-coated optics: Multi-coated lenses improve light transmission and contrast, which helps preserve a clearer sight picture in the low-light periods when game is often most active.
• Capped resettable turrets: The capped turret design protects zero during transport and field carry, while 1/4 MOA adjustments still allow straightforward sight-in and correction at the range.
• Weather-resistant 1 inch aluminum tube: The single-piece 6061-T6 aluminum body is shockproof, fogproof and waterproof, giving the riflescope the durability needed for rough weather and repeated hunting use.

About the Sightmark Core HX Series

The Sightmark Core HX series was designed for rifle hunting, with models aimed at deer, predator and varmint applications where a practical balance of magnification, durability and straightforward reticle design matters most. Within Sightmark’s lineup, the series sits as a versatile hunting-focused family rather than a specialized long-range competition platform, making it well suited to common field rifles and mixed-distance shooting.

Across the range, multi-coated optics and shockproof, fogproof and waterproof construction are central features, reflecting the series’ emphasis on dependable outdoor use. Core HX models are offered in different magnification ranges, objective sizes and reticle layouts, including ballistic and rangefinding options tailored to specific hunting roles. The mechanical design follows a practical approach, with single-piece aircraft-grade aluminum tubes, hard-anodized finishes and capped turrets that favor protection and reliability in the field. In use, the series is built to give hunters a clear, uncluttered sight picture, useful holdover references and the kind of compact, durable construction that suits stalking, stand hunting and general-purpose sporting rifles.

About the Sightmark Core HX 3-9x40 Scope

The Sightmark Core HX 3-9x40 Scope is a classic hunting riflescope configuration built around a 3-9x magnification range and 40 mm objective lens, a combination that remains popular because it handles a wide spread of real hunting distances without adding unnecessary bulk. At 3x, the scope stays manageable for shorter shots and moving game in tighter cover; at 9x, it provides enough image scale for more deliberate shot placement at longer distances across open ground.

This model uses the HBR Hunter’s Ballistic Reticle in the second focal plane, keeping the reticle visually consistent as magnification changes. That makes the view easy to read at low power while still giving the shooter BDC and windage references for more informed holds when distance stretches. Because the reticle is non-illuminated, the sight picture remains simple and uncluttered, which suits a traditional hunting role.

The optical system is supported by fully multicoated lenses, a fast-focus eyepiece and a fixed parallax setting at 100 m, all of which help the scope stay quick to set up and easy to use in the field. Mechanically, the 1 inch tube, capped multi-turn turrets and 1/4 MOA click value prioritize secure carry and straightforward zeroing over constant dialing. With its 403.00 g weight, 312.00 mm length, nitrogen filling and waterproof, fogproof and shockproof construction, this riflescope fits well on stalking rifles, rimfire rifles and general hunting setups that need dependable performance in changing weather.

About Sightmark

Sightmark was introduced at SHOT Show in 2007 and is a brand of Sellmark Corporation. The company is headquartered in Mansfield, Texas, United States, and focuses on optics and shooting accessories for hunting, home defense and competition shooting. Its catalog covers a broad span of categories, including riflescopes, red-dot sights, laser boresights, binoculars and spotting scopes, with digital night-vision and thermal products also playing an important role in the lineup.

That broad product mix is relevant here because Sightmark has built its reputation around practical shooting optics for rifles, shotguns and pistols rather than around a single niche. The brand’s Wraith digital night-vision and thermal products are among its better-known modern offerings, while its conventional daytime optics continue to serve hunters and recreational shooters looking for functional, field-oriented designs.

Main Features

• Magnification: 3.00 x - 9.00 x
• Objective lens diameter: 40.00 mm
• Main tube diameter: 25.4 mm
• Reticle position: 2. focal plane - SFP
• Reticle illumination: No
• Adjustment per click: 7mm/100m - 1/4MOA
• Elevation adjustment range: 29.07 mrad / 100.00 MOA
• Windage adjustment range: 29.07 mrad / 100.00 MOA
• Turret type: Capped
• Zero stop: No
• Eye relief: 94.00 mm - 101.60 mm
• Field of view: 11.80 m/100m - 4.07 m/100m
• Parallax setting: Fixed, 100 m
• Diopter range: -2 / +2 Dpt
• Lens coating: Fully Multicoated
• Waterproof rating: IPX-6
• Fogproof: Yes
• Shockproof: Yes
• Housing material: Aluminum
• Length: 312.00 mm
• Weight: 403.00 g
• Operating temperature range: -17 ° / + 49° C
• Nitrogen filled: Yes

Warranty

10 years. Sightmark states a 10-year warranty for this riflescope, providing defined long-term coverage for normal product support.