Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP) Review

Let’s Talk About Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP)

The Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP) is Trijicon’s offering in the competitive mid-range optic market. It aims to provide shooters with a durable, clear, and reliable sighting system for close to medium-range engagements. This scope boasts fully multi-coated lenses, capped adjusters, and a BDC reticle, making it suitable for hunting, target shooting, and tactical applications.

I needed a versatile optic for my AR-15 that would excel in both close-quarters scenarios and longer-range precision shots. I was specifically seeking a scope with clear glass, reliable adjustments, and a reticle that would aid in bullet drop compensation. After researching various options, the Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP) seemed like a solid contender, promising Trijicon quality without breaking the bank.

My first impression was positive. The scope felt substantial and well-built. The matte finish gave it a tactical look and feel. The turrets clicked positively, indicating precise adjustments.

I considered the Leupold VX-3HD 3.5-10x40mm and the Vortex Diamondback Tactical 4-16×44. I ultimately chose the Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP) due to Trijicon’s reputation for ruggedness and clarity, hoping to get a “buy once, cry once” experience. I also liked the simpler BDC reticle compared to some of the more complex options available. I was excited to mount it and see how it performed in the field.


Real-World Testing: Putting Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP) to the Test

First Use Experience

My first outing with the Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP) was at my local shooting range. I mounted it on my AR-15 and zeroed it at 100 yards. The weather was clear and sunny, perfect for evaluating the glass clarity.

The scope performed admirably in the good lighting conditions. The image was bright and clear, and the reticle was easy to see. The adjustments were precise, and I quickly dialed in my zero.

After zeroing, I took it on a hog hunt in central Texas. It was a fairly dry environment, but very dusty. The scope functioned flawlessly, and the capped turrets prevented accidental adjustment while moving through thick brush.

Extended Use & Reliability

After several months of regular use, the Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP) has held up remarkably well. There are no noticeable scratches or signs of wear on the tube or lenses. I’ve taken it on multiple hunts, including one in moderately rainy conditions, and the nitrogen-filled tube has prevented any fogging.

The scope is easy to clean with a microfiber cloth. I periodically check the mount screws to ensure they are tight. I previously used a budget optic that lost zero after only a few range sessions, but the Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP) has maintained its zero consistently. It definitely outperforms the cheaper scopes I’ve used in the past, proving its value in the long run.

Breaking Down the Features of Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP)

Specifications

The Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP) boasts several key specifications that contribute to its performance. The 40mm objective lens provides ample light gathering capability for clear images. It has a 3-12x magnification range, making it versatile for various shooting distances.

  • Objective Lens Diameter: 40 mm: This is the front lens of the scope, which collects light and affects the brightness and clarity of the image. A larger objective lens allows more light to enter the scope.
  • Magnification: 3 – 12 x: This indicates the range of magnification, allowing the user to zoom in on targets at different distances.
  • Reticle: BDC Target Hold: This reticle is designed with Bullet Drop Compensation (BDC) markings, allowing for quick adjustments for longer-range shots.
  • Tube Diameter: 30 mm: A larger tube diameter allows for a wider range of adjustment for windage and elevation.
  • Reticle Focal Plane: Second Focal Plane (SFP): The reticle size remains constant regardless of the magnification level.
  • Exit Pupil: 0.52 – 0.13 in: This is the diameter of the beam of light that exits the scope, affecting the brightness and ease of viewing.
  • Illumination Color: None: The reticle is non-illuminated.
  • Finish: Matte: A matte finish reduces glare and provides a non-reflective surface for better concealment.
  • Field of View, Linear: 36.3 – 9.1 ft at 100 yds: This is the width of the area visible through the scope at 100 yards, depending on the magnification.
  • Eye Relief: 2.2 – 3.2 in: This is the distance from the eyepiece to the shooter’s eye. It allows for a full field of view without vignetting.
  • Weight: 17.8 oz: The weight of the scope is important for overall rifle balance and portability.
  • Adjustment Click Value: 1/4 MOA: Each click of the windage and elevation turrets moves the point of impact by 1/4 Minute of Angle.
  • Length: 12.55 in: The overall length of the scope.
  • Fabric/Material: 6061-T6 Aluminum: This is a strong and lightweight aluminum alloy commonly used in scope construction.
  • Optical Coating: Fully Multi-Coated: Multiple layers of coating on the lenses to reduce reflections and enhance light transmission, resulting in a brighter and clearer image.
  • Water Resistance Level: Waterproof: The scope is sealed to prevent water from entering and damaging the internal components.
  • Fogproof: Yes: The scope is filled with nitrogen to prevent internal fogging due to temperature changes.
  • W/E Travel at 100 Yds: 70/70 MOA: This specifies the total amount of windage and elevation adjustment available.

Performance & Functionality

The Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP) performs its intended job admirably. Its accuracy is excellent, allowing for precise shot placement at various distances. The capped adjusters provide reliable and repeatable adjustments, ensuring that the scope holds zero even under heavy recoil.

The strengths of this scope lie in its clear glass, durable construction, and simple, effective BDC reticle. The fully multi-coated lenses offer excellent light transmission and image clarity, even in low-light conditions. The capped adjusters prevent accidental shifts during use. The BDC reticle provides quick and easy aiming points for different distances.

One potential weakness is that it has a fixed parallax, and some users may prefer an adjustable objective. Overall, it exceeds my expectations for a scope in this price range.

Design & Ergonomics

The Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP) boasts a rugged and well-designed build. It weighs in at 17.8 oz, which is reasonable for a scope of this size and magnification. The 6061-T6 aluminum construction feels solid and durable.

The scope is comfortable to use. The magnification ring is easy to turn. There is no learning curve; it’s intuitive to use.

Durability & Maintenance

The Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP) is built to last. The waterproof and fogproof design ensures reliable performance in harsh conditions. Maintenance is simple. Just wipe down the lenses with a microfiber cloth.

Accessories and Customization Options

The Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP) does not come with many accessories, besides basic lens covers. However, the 30mm tube allows it to be mounted with a wide variety of rings and mounts from different brands. The scope is also compatible with aftermarket lens caps and sunshades, adding to its versatility.

Pros and Cons of Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP)

Pros

  • Clear and bright glass for excellent image quality.
  • Durable construction to withstand harsh conditions.
  • Simple and effective BDC reticle for quick target acquisition at various distances.
  • Capped adjusters to prevent accidental shifts.
  • Reasonable price point for the quality and features offered.

Cons

  • Fixed parallax adjustment may not be ideal for all shooters.
  • Non-illuminated reticle may be a limitation in very low-light conditions.


Who Should Buy Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP)?

The Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP) is perfect for hunters seeking a reliable and accurate optic for medium-range engagements. It is also well-suited for target shooters who want a scope with clear glass and repeatable adjustments. It is also good for tactical shooters needing a durable and dependable optic for their AR platform.

Those who should skip this product are competitive long-range shooters needing adjustable parallax and higher magnification. Also those needing an illuminated reticle for extremely low light conditions should avoid it. Must-have accessories include quality scope rings and potentially a sunshade for bright conditions.

Conclusion on Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP)

The Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP) is a solid performer in the mid-range optic market. It offers clear glass, durable construction, and a simple yet effective BDC reticle, all at a reasonable price. The value proposition is definitely there. You are getting a lot of optic for the money.

I would personally recommend it to anyone looking for a reliable and versatile scope for hunting, target shooting, or tactical applications. If you need a quality optic that won’t break the bank, the Trijicon Ascent AT1240 3-12x40mm Rifle Scope, 30 mm Tube, Second Focal Plane (SFP) is a worthy contender. Consider this Trijicon optic for your next build.

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