When you want an m4 but you still want to feel special : r/airsoft
HI-CAP MAGAZINE ADAPTER 1500 SHOTS FOR P90 SERIES
CYMA M4/M16 Magazine Adapter for P90 Replicas
SCG P90 to M4 magazine adapter
HI-CAP MAGAZINE ADAPTER 1500 SHOTS FOR P90 SERIES
Precision Combat Arms - This shows some of the things that you can do with your King Arms P90; Echo 1 M4 magazine adapter with H&K style suppressor covering a 420mm 6.01mm
SOLD p90 m4 mag adapter | HopUp Airsoft
SCG P90 to M4 magazine adapter
SOLD P90 Terminator with m4 Mag Conversion Kit | HopUp Airsoft
CQB Tactical p90 m4 adapter 1500rounds. upgraded with gate warfet - Used Airsoft ' The Leading Marketplace for Second hand and Used Airsoft Guns'
CYMA M4/M16 Magazine Adapter for P90 Replicas
KRYTAC FN Herstal P90 Airsoft AEG Training Rifle Licensed by Cybergun - AirsoftJunkiez.com