Geissele's Super Modular MK4 Rail is used by the Federal Bureau of Investigation due to its strength, modularity, and M-LOK compatibility. It features M1913 picatinny rails in the 6 o'clock and 12 o'clock positions, as well as shorter M1913 picatinny rails in the front 3 o'clock and 9 o'clock positions.
- Description:
- M-LOK
- Fit:
- AR-15
- Manufacturer #:
- Geissele Automatics
- Manufactuer Weight:
- 05-430ODG
- Model**:
- MK4 Federal
- New Stock #:
- MK4
- Units Per Box:
- 10"
- Units Per Case:
- Handguard
- Color:
- Handguards & Forends
- Lens Color:
- Olive Drab Green
