ICS CXP & M4 EBB System Revival
ICS CXP & M4 EBB System Revival
(ICS-320 M4A1 EBB、ICS-321 M4 . EBB、ICS-322 M4A1 Tubular . L EBB、ICS-323 M4A1 Tubular . S EBB、ICS-324 CXP-08 EBB)
EBB (Electric Blow Back system)
Spring release function
T-Window magazine
Ambidextrous charging handle
Receiver Locking Pins
Split gearbox