OTHER
PK401 QM-135 Spring
PK400 QM-120 Spring
PK399 QM-110 Spring
PK398 QM-100 Spring
PK397 QM-90 Spring
PK424 LCK Rotary HOP-UP Unit
M021 L4 Hop-Up Chamber
M107 L4 Hop-UP Chamber (AIW)
PK089 Improved HOP-UP Bucking
PK425 HOP-UP bucking-60d
M081 Air Seal Nozzle for Ver.2 Gearbox
PK115 Steel Gear Set for Tokyo Marui AEG Ver.2/3 Original Type