The HE509T-GR X2 is a hard-use, nitrogen-purged enclosed LED sight designed for handgun applications.

Features:
MRS: Circle Dot
Dot Only
Circle Only
Up to 50,000 Hours Battery Life (Setting 6)
12 Brightness Settings: 10 DL and 2 NV Compatible
Enclosed Design and Titanium Housing
Convenient Tray Battery Compartment
Parallax-Free and Unlimited Eye Relief
Includes Adapter Plate for RMR Footprints