10 Best Red Dot Sites 2025 in the United States

The HOLOSUN HE510C-GR is an open reflex sight designed for long guns, including carbines, PCCs, and shotguns. It's made with a combination of aluminum housing and a titanium hood, making it highly durable and capable of withstanding shocks. The sight weighs 8.32 ounces and has dimensions of 3.3 x 1.8 x 2.3 inches, making it fairly compact and lightweight, which is beneficial for ease of handling and mounting on various firearms.

It features a green 2 MOA dot and a 65 MOA circle, which provides versatile aiming options. The Multi-Reticle System (MRS) allows users to switch between a precision dot for long-range accuracy and a larger circle for quick target acquisition at shorter distances. This feature makes it adaptable to different shooting scenarios. Additionally, it includes Shake Awake technology, which saves battery life by turning off the LED when not in use and instantly reactivates it with movement. This, along with the solar backup, ensures the sight remains functional under various conditions with minimal manual adjustments.

The sight offers 12 brightness settings, ten for daylight and two for night vision, providing good visibility in different lighting environments. It has a very impressive battery life of up to 50,000 hours, reducing the need for frequent battery changes. This sight is perfect for hunters and tactical shooters looking for a reliable, durable, and versatile optic.

The Holosun HS507C X2 is a solid choice for anyone seeking a reliable red dot sight for full-sized handguns. One of its standout features is the long battery life of up to 50,000 hours, which means less frequent battery changes for users. The inclusion of Solar Failsafe technology is a game-changer, allowing the sight to still function even if the battery runs out, as long as there's sufficient ambient light. This ensures you won't be caught off guard in critical moments. The multi-reticle system offers versatility with a 2 MOA dot and a 32 MOA circle, catering to different shooting preferences. Additionally, the Shake Awake technology is smart, prolonging battery life by turning off the LED when the sight isn't in use, yet instantly reactivating it with the slightest motion.

On the downside, the HS507C X2 may be slightly heavier than some users prefer for a pistol sight, weighing 0.09 pounds, which could be a consideration for those prioritizing lightweight equipment. While the durability of the 7075 T6 aluminum housing is commendable, it’s essential to handle it with care as with any optical device. Some may find the mounting options limited since it is primarily designed for Picatinny mounts, which may not suit every setup. The reticle brightness settings are compatible with night vision, but the absence of night vision modes could be a drawback for those who frequently operate in low-light environments.

The HS507C X2 provides excellent features for both casual shooters and more serious enthusiasts, but potential buyers should weigh its weight and mounting compatibility against their specific needs.

The HOLOSUN HS507K X2 is a robust red dot sight designed for subcompact handguns, offering a range of features that cater to both casual and tactical users. Its key strengths include the multi-reticle system, allowing users to switch between a 2 MOA dot and a 32 MOA circle, which is great for varying sight pictures and distances. The battery life is impressive, lasting up to 50,000 hours, and the Shake Awake feature ensures the sight is always ready when needed by activating the LED with slight motion. Additionally, the side-mounted battery tray allows for easy replacement without dismounting the sight, which is a practical feature for continuous use.

The build quality is high, constructed from durable 7075 Aluminum, ensuring it can withstand rough handling and environmental conditions. The red dot sight is also parallax-free, providing accurate target acquisition without the need for centering the reticle in the sight window. The device's lightweight design (0.06 pounds) and compact size (1.6 x 0.98 x 0.95 inches) make it an excellent choice for concealed carry and subcompact handguns.

However, some users might find the need for an adapter plate to fit slides with a four-boss interface to be a slight inconvenience, though it is directly compatible with P365X/XL models. It is also important to note that while the product includes multiple brightness settings, it does not feature night vision compatibility, which could be a limitation for some users. Despite these minor drawbacks, the HOLOSUN HS507K X2's combination of durability, ease of use, and advanced features makes it a top choice for those looking to enhance their handgun's targeting capabilities.