DyTac are taking preorders for the AR9 conversions kit for the MWS, it’s out at the end of the month and comes in at 234USD:
WE ARE TAKING PRE-ORDER, Delivery will be made on end of March 2020
https://www.dytac-shop.hk/…/Prowin-AR9-Conversion-Kit-for-M…
Prowin AR9 Conversion Kit for Marui M4 MWS GBB
– Includes: CNC Aluminium AR9 Conversion kit x 1
– New version 47rds Lightweight Glock long magazines ( Marui system ) x 3
– Reinforced Loading Nozzle x 2