Holosun Red Dot HS503CU collimator

TheHolosun Red Dot HS503CU is a compact collimator sight with a closed design, equipped with Solar Failsafe, Shake Awake battery saving system and the ability to change the aiming mark.

TheHolosun Red Dot HS503CU is designed for the use of long guns including AR15 carbines, semi-automatic rifles.

Lightweight construction

The body of the sight is made of 6061-T6 aluminum by precision milling. The device has a lightweight and sturdy construction weighing only 124 g with the high mount.

TheHolosun Red Dot HS503CU features "stable zero holding", has no parallax error, and its optics provide unlimited eye relief, making it suitable for use on sporting rifles, AR carbines and hunting weapons.

Optics

The Holosun Red Dot HS503CU uses lenses coated with multi-layer anti-reflective coatings, which provide high light transmission and a clear and sharp image free of parallax error.

Electronic system

Thecontrol system and diode are resistant to shock (1000 G), weapon recoil and weather conditions, making the device work efficiently and stably on hunting and sporting weapons.

Variable aiming point

Thanks to the Multi Reticle System, the user can change the size and style of the aiming mark. You can choose between a classic 2 MOA dot and a 65 MOA circle with an inscribed 2 MOA dot. Such functionality makes the collimator great for hunting, as well as for sport and tactical shooting.

Battery saving system

Theimpressive battery life of up to 50,000 hours is due to the Shake Awake system , which automatically turns off the LED when there is no movement, and the device goes into sleep mode.

Re-activating the aiming mark requires only moving the weapon. The user can independently define the time after which the sleep mode is activated.

Solar power supply

The collimator is powered by a CR2032 battery, which, according to the manufacturer, provides up to 50,000 hours of operation at a brightness setting of post-ozone 6.

The device additionally uses a Solar Failsafe panel, which supports battery operation in strong light (sunlight or artificial light ), is responsible for automatic brightness adjustment of the aiming mark and replaces a discharged battery in an emergency situation.

The user can use the automatic brightness adjustment or independently change the brightness have 10 daylight settings and 2 settings for night vision.

Convenient battery mounting

An element that many shooters pay a lot of attention to is how the battery is mounted. In the Holosun Red Dot HS503CU, the battery is mounted on a sliding tray, secured by two Torx screws.

Such functionality allows changing the battery without removing the collimator from the weapon, as is the case with models with the battery located on the underside.

Two mounts

The set includes two Picatinny/Weaver rail mount s : a high one (1/3 co-witness) intended mainly for carbines and a low one recommended for shotguns.