Holosun’s 507K green MRS open reflex: selectable 2 MOA dot, 32 MOA circle, or circle-dot, Solar Failsafe + Shake Awake, 12 brightness settings and about 1 oz weight. Holosun K footprint (407K/507K). Mount/adapter plate not included — pistol must accept Holosun K footprint (or use a compatible plate sold separately). Manufacturer part number: HE507K-GR-X2.
Key features
- Green MRS: 2 MOA / 32 MOA circle / both
- ~1 oz; open reflex
- Holosun K footprint (407K/507K)
- Solar Failsafe; Shake Awake
- 12 brightness settings
- Mount/plate not included
Buying from PM Customs in Yukon
Your 507K green can ship directly to you, or choose local pickup in Yukon, OK by appointment (generally Mon–Sat, 8 AM–4 PM). Questions about fit or footprint? Call 405-265-8955.







