Every part checked against this replica, grouped by category. The tag on each row says how well the answer is backed. Use the evidence filter to see only fits a maker or retailer has named.
G&P

MWS Steel Parts Combo SetFitsSpecs
T8

M4T Hop-Up Chamber for MWSFitsRetailer
Maxx
Retailer lists it for the TM MWS M4 and the N4 Gen3 MWS clones.

Model CNC Aluminum M4T One Hopup Chamber for Tokyo Marui MWS M4 Gas Blowback RiflesFitsRetailer
Maxx
Listed for the Tokyo Marui MWS M4 and the Double Eagle N4 Gen3. Not for CYMA-based N4s.

Model Hop-Up and Adjuster Set M4T for MWS M4 GBBFitsRetailer
Maxx
Listed for the Tokyo Marui MWS M4 and the Double Eagle N4 Gen3. Not for CYMA-based N4s.

Enhanced Nozzle for MWSFitsSpecs
T8

Enhanced Nozzle Set V3.5 For Tokyo Marui MWSFitsSpecs
Guns Modify

Easi Nozzle Spring for Tokyo Marui MWS & MTR16 SeriesFitsSpecs
Jaeger Precision

MWS 140% Nozzle Return SpringFitsSpecs
Bavtac

CNC Adjustable Trigger Box (A) for TM M4A1 MWSFitsSpecs
G&P

EVO CNC Trigger Box for MWSFitsSpecs
Guns Modify

EVO Steel CNC Drop-in Trigger box for MWS systemFitsSpecs
Guns Modify

Crimson NPAS for MWS TM / DE / SalvoFitsSpecs
Waldo Dynamics

MWS NPAS Adjustable ValveFitsSpecs
Jaeger Precision