eHobbyAsia have sent over details of their new Mugen Fire custom hard quality KeyMod rail:
NEW Mugen Fire Custom Hard Quility KMR is available at eHobby Asia
6061T Aluminum Construction
CNC machinery Production
Hard Anodized Ceramic Like Surface FinishingSuitable for M4/ PTW Series Airsoft AEG/ GBB Receiver
13.4" , 10.5" & 7" is available at eHobby Asia
Product link:
http://shop.ehobbyasia.com/mugen_fire_custom.html
Video insight: