The HS503CU is a 20mm micro optical sight designed for rifle and carbine applications. Features include Solar Failsafe, Shake Awake, 12 brightness settings, Holosun’s Super LED with up to 50k hours battery life, and Multi-Reticle System.

In the Box

Lower 1/3 Cowitness Mount

Low Profile Mount

T10 L Key

Rubber Cover

User Manual

CR2032 Battery

Lens Cloth

2 MOA Dot Reticle

Up to 50,000 Hours Battery Life (Setting 6)

12 Brightness Setting: 10 DL & 2 NV Compatible

Convenient Tray Battery Compartment

Parallax-free & Unlimited Eye Relief