Holosun HS503GU Circle Dot Sight (Black Housing)

Holosun HS503GU Circle Dot Sight (Black Housing)

Holosun HS503GU Circle Dot Sight (Black Housing)

Are you in need of a reliable and durable sight for your firearm? Look no further than the Holosun HS503GU Circle Dot Sight. This sight is designed to provide you with accurate and quick target acquisition, making it perfect for both professional shooters and hobbyists.


2 MOA Dot & 65 MOA Circle

The Holosun HS503GU features a 2 MOA dot and a 65 MOA circle reticle. This combination allows for precise aiming at various distances, giving you the flexibility to adapt to different shooting scenarios.

Automatic On and Off

The sight is equipped with an automatic on and off feature based on motion. This means that the sight will turn on when it detects movement and turn off when it is not in use. This feature helps to conserve battery life and ensures that the sight is always ready for action.

Parallax-Free with Unlimited Eye Relief

With a parallax-free design and unlimited eye relief, the Holosun HS503GU provides a clear and unobstructed view of your target. This allows for quick and accurate target acquisition, even in high-stress situations.

Durable and Reliable Construction

The sight is built to withstand the rigors of the field. It is constructed from high-quality materials that are resistant to shock, water, and fog. This ensures that the sight will perform reliably in any weather conditions.

Mounting Options

The Holosun HS503GU comes with both a low mount and a 1/3 co-witness mount. This gives you the flexibility to choose the mounting option that best suits your needs and preferences.

Frequently Asked Questions

Q: Is the sight compatible with all firearms?

A: The Holosun HS503GU is compatible with most firearms that have a Picatinny or Weaver rail.

Q: How long does the battery last?

A: The sight is powered by a CR2032 battery, which can last up to 50,000 hours on a medium brightness setting.

Q: Can the sight be used in low-light conditions?

A: Yes, the sight has multiple brightness settings, allowing you to use it in various lighting conditions.


The Holosun HS503GU Circle Dot Sight (Black Housing) is a versatile and reliable sight that offers quick and accurate target acquisition. With its durable construction and automatic on and off feature, this sight is perfect for both professional shooters and hobbyists. Invest in the Holosun HS503GU and take your shooting experience to the next level.