https://www.kermlock.com/
Kerm-Lock Tactical Lighting Platform | Kerm-Lock Store
The Kerm-Lock is a temporary picatiny rail that attaches to the hand guard providing a temporary rail platform for a light source.
tactical lightingkermlockplatformstore
https://docs.google.com/spreadsheets/d/1kC0G0VEDIps6RVLREVRumRtRqpheEwhDJyJTFTY2Yes/edit?usp=sharing
F-Eckdaten Kerm - Google Sheets
feckdatenkermgooglesheets