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.

Holosun HS503CU Micro Red Dot Sight
Aluminum Construction
Solar Panel
20,000 hours for circle dot at setting 6, 50,000 hours for dot at setting 6
10 DL & 2 NV compatible
Lower Mount and AR Riser
Protective Design for Turrets
Waterproof
Parallax Free