Internal Upgrade Parts
External Upgrade Parts
Suppressor
BB and Hi-Cap magazine
Reinforcement

 

 
  JA-01
  363mm Tight Bore 6.03mm Barrel
  details
  JA-02
  455mm Tight Bore 6.03mm Barrel
  details
 
  JA-03
  229mm Tight Bore 6.03mm Barrel
  details
  JA-04
  509mm Tight Bore 6.03mm Barrel
  details
 
  JA-05
  Handguard Adjustment Tool
  details
  JA-06
  Steel Armored Flashhider
  details
 
  JA-07
  M16 Front Sight
  details
  JA-08
  247mm Tight Bore 6.03mm Barrel
  details
 
  JA-09
  407mm Tight Bore 6.03mm Barrel
  details
  JA-10
  550mm Tight Bore 6.03mm Barrel
  details
 
  JA-11
  Cylinder head Ver. II
  details
  JA-12
  Piston head
  details
 
  JA-13
  Cylinder head set Ver. II
  details
  JA-14
  Cylinder, Standard 2 Port
  details
 
  JA-15
  Cylinder, full capacity
  details
  JA-16
  273mm Tight Bore 6.03mm Barrel
  details
 
  JA-17
  CQB Reinforced Barrel set
  details
  JA-18
  M4A1 Reinforced Barrel set
  details
 
  JA-19
  M16 Reinforced Barrel Set
  details
  JA-20
  M4 CQB-R Outer barrel
  details
 
  JA-21
  M4A1 Outer barrel
  details
  JA-22
  M16 Outer barrel
  details
 
  JA-23
  Ver. II Spring Guide
  details
  JA-24
  Ver.III Spring guide
  details
 
  JA-25
  M100 Spring
  details
  JA-26
  M120 Spring
  details
 
  JA-27
  Shim Set
  details
  JA-28
  Version III Cylinder Head
  details
 
  JA-29
  Cylinder Head Set Version III
  details
  JA-30
  M4/M16 Series Air Nozzle