10 Best Red Dot Sight For Under 100 2025 in the United States

The HOLOSUN HS507C X2 is a feature-rich red-dot sight that stands out in the under $100 category, ideal for full-sized handguns. Its significant strengths include a 2 MOA dot and 32 MOA circle reticle, which provides a clear and versatile aiming point. The sight boasts up to 50,000 hours of battery life, supplemented by a solar failsafe feature that ensures consistent performance even if the battery dies. Additionally, the Shake Awake technology conserves battery by deactivating the LED when not in use and reactivates it with minimal movement.

The sight is constructed from durable 7075 T6 aluminum, ensuring robustness and long-lasting performance. It also features ten brightness settings for daylight use and two settings compatible with night vision, making it adaptable to various lighting conditions. The HS507C X2 is parallax-free, which means your point of aim remains consistent regardless of the angle you look through the sight.

However, users should note that this sight is priced towards the upper limit of the under $100 category and might be slightly costlier depending on the purchase context. Additionally, while it comes with a Picatinny mount, those using non-standard mounting systems may need additional adapters. Its relatively small window size (0.63x0.91 inches) might also be a consideration for users seeking a larger field of view. This sight combines advanced features and durability, making it a strong contender for handgun users needing a reliable and versatile red-dot sight.

The HOLOSUN HS407K-X2 is a budget-friendly red-dot sight designed for subcompact pistols. One of its main strengths is the 6 MOA dot size, which is clear and precise for quick target acquisition. The battery life is impressive, with up to 50,000 hours, thanks to the Shake Awake technology that deactivates the LED when not in use, extending the battery life. The sight comes with 12 brightness settings, including 2 night vision settings, providing flexibility in various lighting conditions. However, it does not support night vision devices directly, which could be a drawback for users needing that feature.

The HS407K-X2 also includes a Lock Mode to prevent accidental changes to settings, enhancing usability in active scenarios. Constructed from 7075 T6 Aluminum, it offers solid durability and a lightweight design at just 0.06 pounds. The housing is robust, and the sight's surface is anodized to resist wear and environmental elements. It's worth noting that the HS407K-X2 is directly compatible with P365X/XL but requires an adapter for other models, which could be an additional cost.

The reflex sight features multilayer reflective glass, ensuring high light transmission and reduced glare. Parallax-free performance ensures accuracy, and the 1x magnification means no distortion or magnification of the target. The sight is also ambidextrous, fitting both right and left-handed users seamlessly. Despite its many strengths, potential buyers should consider the need for an adapter plate for certain handguns and the absence of direct night vision capability. The HOLOSUN HS407K-X2 is a strong contender in its price range, offering significant features and reliability for both casual and experienced shooters.

The HOLOSUN HS407C X2 is a well-rounded red dot sight designed for full-sized handguns, offering several key features at an affordable price. One of its standout strengths is the 2 MOA dot size, which provides a precise aiming point for enhanced accuracy. The sight also boasts an impressive battery life of up to 50,000 hours, bolstered by the Shake Awake technology that conserves power by turning off the LED when not in use and instantly reactivating it with a slight motion. Additionally, the Solar Failsafe feature ensures the sight remains operational even if the battery depletes, using available light to power the reticle and adjusting its intensity based on lighting conditions.

The HS407C X2 is constructed from durable 7075 T6 aluminum, making it robust and suitable for various environmental conditions. It is also parallax-free, ensuring that the reticle remains accurate regardless of eye position, which is crucial for quick target acquisition. The sight offers 12 brightness settings, including options compatible with night vision, enhancing its versatility. On the downside, the HS407C X2 uses a side-mounted CR1632 battery, which some users may find less convenient compared to top-mounted options.

While it is suitable for full-sized handguns, it may not be the best choice for smaller firearms due to its size. In terms of mounting, it uses the industry-standard Weaver mount, which is widely compatible but may require an adapter for certain handgun models. The HOLOSUN HS407C X2 is a durable and feature-rich red dot sight that offers excellent value for those looking to enhance their handgun's accuracy and reliability without breaking the bank.