First Impressions of HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight
The HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight promises a unique approach to handgun sighting, blending fiber optic and tritium illumination for 24-hour visibility. As someone who’s spent over a decade tinkering with tactical gear and handgun platforms, I was intrigued by the potential for faster target acquisition and improved accuracy, especially in less-than-ideal lighting conditions. The HiViz name carries a certain weight in the firearms community, often associated with quality and innovation in sight systems.
My aging eyes needed a sight upgrade on my trusty Sig P320. I was hoping the Fastdot H3 would provide a faster, more intuitive aiming solution than traditional three-dot sights, without the bulk and complexity of a red dot optic.
Unboxing the HiViz Fastdot H3, the first thing I noticed was its low-profile design. The combination of red fiber optic front sight and green tritium rear sight created a striking visual contrast. The build quality felt solid, with the sights appearing robust enough to withstand the rigors of daily carry and range use.
I considered options from Trijicon and Meprolight, both renowned for their tritium sights. However, the HiViz Fastdot H3’s unique fiber optic/tritium hybrid and single-dot concept seemed like a worthwhile experiment. My initial impression was cautiously optimistic; the design was innovative, but I was skeptical about how well it would translate to real-world performance.
Real-World Testing: Putting HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight to the Test
First Use Experience
My initial testing took place at an outdoor shooting range under varying light conditions. I started with bright daylight, transitioning to overcast skies and then into a dimly lit indoor bay. The Fastdot’s fiber optic front sight was exceptionally bright and easy to acquire in direct sunlight, offering a significant advantage over standard iron sights.
Under overcast conditions, the fiber optic brightness diminished, but the tritium inserts provided adequate illumination. Aligning the single red dot with the green rear sight took some getting used to. My initial shots were scattered, requiring me to consciously focus on sight alignment. After about an hour, I started to feel more comfortable, achieving decent groupings at 7-10 yards. One notable issue was that the rear sight seemed to blend together under low light conditions.
Extended Use & Reliability
After several weeks of consistent use, the initial novelty of the HiViz Fastdot H3 began to wear off. While the fiber optic front sight remained highly visible in bright conditions, its performance in low-light scenarios was less impressive. The tritium inserts were visible but not as bright as I’d hoped, making precise aiming challenging in near-darkness.
The sights held up well to regular use, showing no signs of loosening or degradation. Cleaning was straightforward, requiring only a quick wipe with a solvent-dampened cloth. However, I noticed that consistent and rapid target acquisition required a very consistent cheek weld, which did not always work in practical use such as drawing from concealment.
Compared to my previous experience with Trijicon HD sights, the HiViz Fastdot H3 fell short in overall visibility and ease of use, especially in low light. While the single-dot concept had potential, the execution felt somewhat flawed.
Breaking Down the Features of HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight
Specifications
The HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight is designed specifically for Sig P320 9 mm models with fixed sights (non-optic ready). It features a fiber optic front sight in red and tritium inserts in both front and green rear sights. The sights are constructed from durable materials, with a black finish.
The HiViz Fastdot H3 utilizes a single-dot sight system, unlike traditional three-dot sights. This single dot is designed to facilitate faster target acquisition and simplify aiming. The combination of fiber optics and tritium aims to provide 24-hour visibility.
The HiViz sights’ tritium is warranted for 12 years. This warranty offers confidence in the long-term functionality of the tritium illumination.
Performance & Functionality
In bright daylight, the HiViz Fastdot H3 performs admirably, with the fiber optic front sight providing a clear and easily visible aiming point. However, its low-light performance is less impressive, as the tritium inserts lack the brightness needed for optimal visibility. The alignment required for exact sight alignment is required and can’t be done quickly.
The single-dot system can be a double-edged sword. While it simplifies aiming in some situations, it can also be confusing in others, particularly for shooters accustomed to traditional sights. This does not meet the expectations of a solid all-around pistol sight.
Design & Ergonomics
The low-profile design of the HiViz Fastdot H3 is a definite plus, as it minimizes snagging and doesn’t significantly alter the pistol’s overall profile. The sights are relatively lightweight and don’t add noticeable bulk to the slide. However, the sight picture can feel cluttered, especially in low light, where the tritium inserts and fiber optic dot compete for attention.
There is a learning curve associated with the single-dot system. Getting used to aligning the dot accurately requires practice.
Durability & Maintenance
The HiViz Fastdot H3 appears to be well-built and durable, capable of withstanding the stresses of regular use. Cleaning and maintenance are simple, requiring only occasional wiping to remove dirt and debris. The robust construction suggests a long lifespan.
Accessories and Customization Options
The HiViz Fastdot H3 doesn’t offer extensive customization options, as it’s designed as a complete replacement sight system. Compatibility with aftermarket accessories is limited to those specifically designed for Sig P320 models with fixed sights. After-market customization is limited to a professional gunsmith service.
Pros and Cons of HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight
Pros
- The fiber optic front sight is highly visible in bright daylight, offering a significant advantage over standard iron sights.
- The low-profile design minimizes snagging and doesn’t significantly alter the pistol’s profile.
- The sights are relatively easy to clean and maintain.
- The tritium provides consistent light in low-light conditions.
Cons
- Low-light performance is not as impressive as expected, with tritium inserts that could be brighter.
- The single-dot system can be confusing for shooters accustomed to traditional sights.
- Sight alignment is required and can’t be done quickly.
Who Should Buy HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight?
The HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight might appeal to competitive shooters seeking a faster sight acquisition system in bright daylight conditions. The Fastdot design could be an attractive option for those comfortable with experimenting with their sight system.
Those seeking reliable and bright low-light performance should skip this product. Shooters accustomed to traditional three-dot sights might also find the single-dot system frustrating.
A brighter weapon light would complement this sight system to provide adequate target identification in low-light conditions.
Conclusion on HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight
The HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight is a mixed bag, offering exceptional visibility in bright daylight but falling short in low-light performance. The single-dot system has potential but requires a significant adjustment period.
At $125.00, the price is justifiable for the daylight performance, but the sub-par low-light capabilities detract from its overall value proposition. I would not personally recommend it as a primary sight system, especially for those prioritizing low-light performance. Final thoughts: The HiViz Fastdot H3 is an interesting concept with flawed execution.