507comp / 507 competition 
- green dot
- RMR footprint 
- Shake Awake
The HE507COMP-GR handgun sight features a large 1.1" x 0.87" objective lens for enhanced shooting performance and Holosun's new Competition Reticle System (CRS) available with a green LED. CRS is an enhanced Multi-Reticle System with four components including a precision 2MOA dot, an 8MOA circle, 20MOA circle, and 32MOA circle with multiple combination settings to suit individual shooter's preferences.