Holosun HS403B: Review, Features and Buying Guide

Holosun HS403B is a red dot sight that is designed for use on pistols. It is a compact sight that is easy to mount and dismount, and it features an adjustable brightness setting so that you can customize the dot size and intensity to fit your needs. The sight also has a wide field of view and is parallax free, making it easy to acquire your target.

Brand: Holosun

Color: Black

Magnification Range: 1x

Reticle Type: 2 MOA Dot

Weight: 4.2 oz

Length: 2.5 in

Objective Lens Diameter: 20 mm

The Holosun HS403B is a multi-reticle system that allows the user to choose from a variety of reticle patterns, giving them the flexibility to choose the one that best fits their needs. It features a 2 MOA dot reticle, a 65 MOA circle with 2 MOA dot reticle, and a 2 MOA dot with a 32 MOA circle reticle. This system also offers a wide variety of brightness settings and a solar fail-safe feature that allows the reticle to remain illuminated even when the battery runs out. The Holosun HS403B is a great choice for shooters who need a versatile and reliable red dot sight.

The Holosun HS403B is a great example of solar failsafe technology. This red dot sight is equipped with a solar panel on top, allowing it to draw power from the sun. This power is then used to charge a battery which keeps the sight running even when the battery runs out of power. Additionally, the sight also has a low battery indicator which will alert the user when the battery is running low, ensuring that the sight will never fail due to a lack of power.

The Holosun HS403B is designed with a parallax-free design, which means that the reticle will remain in the same place regardless of the angle of the user’s eye. This is important for accuracy and precision when aiming, as the reticle will remain in the same spot regardless of the user’s position. This ensures a more consistent sight picture, which can improve accuracy and reduce eye fatigue.

The Holosun HS403B is a great example of Shake Awake Technology. This technology allows the user to quickly and easily activate the sight with a simple shake or tap of the sight. The shake awakes the sight from a low power state and is ready to use in a few seconds. This technology is great for those who need to quickly and accurately acquire a target.

The Holosun HS403B is an incredibly durable, reliable, and accurate red dot sight. Its CNC machined aluminum housing provides superior protection from the elements, and its low profile design makes it perfect for use on a variety of firearms. The scope is also shockproof and waterproof, making it an ideal choice for use in all kinds of weather conditions. This is an excellent choice for anyone looking for a dependable, durable red dot sight.

The Holosun HS403B is a micro red dot sight that boasts an incredible battery life of 50,000 hours. This is achieved by the combination of a solar panel and a high capacity battery. This is ideal for long-term use in the field, as you don’t have to worry about changing batteries often. It also features a shake awake feature that activates the sight when it senses movement. This ensures that the sight is always ready to go when you need it.

The Holosun HS403B is a great choice for those looking for a reliable and adjustable red dot sight. It features 12 brightness settings, allowing you to adjust the brightness of the dot to match the conditions you are shooting in. The settings range from night vision compatible to extremely bright, making it easy to find the perfect setting for any situation. The Holosun HS403B is a great choice for any shooter looking for a reliable and adjustable red dot sight.

The Holosun HS403B is a very popular red dot sight with a 2 MOA Dot Reticle. This reticle is designed to provide the shooter with a fast and accurate target acquisition, and is great for close quarters and longer range shooting. The reticle is also adjustable for brightness and can be used in both day and night time conditions.

The Holosun HS403B is a compact red dot sight that features a 65 MOA Circle Reticle. This reticle is designed to provide a wide field of view and greater accuracy for both short and long range shooting. The reticle also features an adjustable brightness setting and a multi-coated lens for enhanced clarity and contrast. This reticle is perfect for those who need a reliable and accurate red dot sight for their firearm.

The Holosun HS403B is a red dot sight with a 2 MOA dot with circle reticle. It is a great choice for precision shooting, as the 2 MOA dot provides a precise aiming point and the circle reticle provides a quick reference for range estimation. The scope also features an adjustable brightness level, making it suitable for a variety of lighting conditions. The sight is powered by a CR2032 battery, making it lightweight and easy to use.

The Holosun HS403B is a popular red dot sight that features a 2 MOA dot with a 32 MOA circle reticle. This reticle is designed to provide a wide field of view and a clear aiming point, making it an ideal choice for close-range shooting. The sight is also equipped with an LED illumination system, providing an adjustable brightness setting for different lighting conditions. Additionally, the sight is waterproof and shockproof, making it reliable and durable in any environment.

The Holosun HS403B red dot sight offers unlimited eye relief, making it a great choice for shooters who need to quickly acquire their target. This sight is also parallax free, so it won’t be affected by any movement of the shooter’s head. This is lightweight and durable, making it a great choice for a variety of shooting activities.

Holosun HS403B has an anti-reflection lens coating which helps reduce glare and reflections from the lens. This coating helps to improve the overall visibility and clarity of the sight, as well as reduce the amount of glare that can be seen when shooting in bright conditions. The anti-reflection coating also helps to reduce the amount of dust, dirt, and other debris that can collect on the lens, which can interfere with the accuracy of the sight.

The Holosun HS403B is designed to be waterproof and fogproof, making it an ideal choice for outdoor use. Its waterproof rating is IP67, which means it can be submerged in up to one meter of water for up to 30 minutes. It also features a nitrogen-purged fogproof design, which prevents internal fogging due to changes in temperature or humidity. This makes it a great choice for hunters, target shooters, and anyone else who needs a reliable, durable sight that can handle the elements.

The Holosun HS403B is a great choice for those looking for a Picatinny rail mounting system. This rugged, lightweight and versatile system provides a secure and reliable mounting platform for your optics. This is designed to fit most Picatinny rails and is constructed from durable aluminum alloy. With a wide range of mounting options, the scope is perfect for any shooting application. Additionally, the scope is made to last, thanks to its corrosion-resistant finish. This makes it ideal for use in harsh weather environments.

The Holosun HS403B is a micro red dot sight designed for use on rifles, shotguns, and handguns. It features a 2 MOA red dot reticle, a wide field of view, and a durable aluminum housing. The Holosun HS403B is a great choice for shooters looking for a reliable and accurate red dot sight.

The Holosun HS403B has a 2 MOA red dot reticle, which is perfect for quick target acquisition and precise aiming. The reticle is powered by a single CR2032 battery, which provides up to 50,000 hours of battery life. The sight also features a wide field of view, which allows for quick target acquisition and easy tracking of moving targets. The sight is constructed from durable aluminum and is waterproof up to 1 meter.

The Holosun HS403B comes with a Picatinny rail mount, which allows for easy mounting on a variety of firearms. The sight can also be mounted on a variety of other mounts, such as a dovetail mount or a Weaver mount. The Holosun HS403B is a reliable and accurate red dot sight. The reticle is bright and easy to see, even in bright sunlight. The sight is also shockproof and can withstand the recoil of most firearms.

The Holosun HS403B is a great choice for shooters looking for a reliable and accurate red dot sight. It features a 2 MOA red dot reticle, a wide field of view, and a durable aluminum housing. The sight is easy to mount and can withstand the recoil of most firearms. The Holosun scope is a great choice for shooters looking for a reliable and accurate red dot sight.

The Holosun HS403B uses a CR2032 3V lithium battery.

The battery life of the Holosun HS403B varies depending on the brightness setting of the reticle. At the highest brightness setting, the battery will last approximately 50,000 hours, or 5.7 years. At the lowest brightness setting, the battery will last up to 100,000 hours, or 11.4 years.

Yes, the Holosun HS403B comes with a mount. The mount is a low profile Picatinny rail mount that is designed to fit most standard Picatinny rails.

The Holosun HS403B is a great choice for anyone looking for a reliable and accurate red dot sight. It is lightweight, durable, and has a long battery life. It is also easy to mount and adjust, and the reticle is easy to see in both bright and low light conditions. The Holosun HS403B is a great option for anyone looking for a reliable and accurate red dot sight that won’t break the bank.