()
Wolverine BOLT HPA Engine – for TM VSR10
Wolverine BOLT M HPA Engine – for TM VSR10
Wolverine Inferno HPA Engine Gen 2 for AEG v2 – Spartan Electronics
MechLabs XX-Mod Fully Mechanical HPA Engine – Black
WOLVERINE AIRSOFT HPA SYSTEMS GEN 2 INFERNO M4 CYLINDER WITH PREMIUM EDITION ELECTRIONICS FOR VERSION 2 M4 GEARBOX