Angry Gun L119A2 Rail for M4 AEG/ Systema PTW/ WA/ Inokatsu/ VFC/ WE/ GHK M4 GBB (Short)
The Angry Gun L119A2 Rail from Angry Gun was inspired by the UKSF L119A2
It is compatible with M4 AEG/ Systema PTW/ WA/ Inokatsu/ VFC/ WE/ GHK M4 Series Airsoft GBB Rifle
It can fit on the MWS but you will need to use the Spear arms adapter. That's a vast selection there

The package contains:
Rail System x 1pc
AEG Thread Barrel Nut x 1set