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Internals

Internals

Internal upgrades 

FB metal nozzle
Out Of Stock
FB shim kit 0.1mm X 5 0.2mm X 50.3mm X 50.5mm X 5..
US $4.00
 inner upgrade set ( silent piston head,cylinder head and nozzle )Fit gen 8 m4a1, gen 9 m4a1 and J10 ACR ..
US $11.00
JM brass cylinder head and nozzle JM brass cylinder head and nozzle
Out Of Stock
JM brass cylinder head and nozzle nozzle with inside oring ..
US $7.00
JM gen 8 steel cut gear
Out Of Stock
Steel cut gear ratio 18:1 fit gen 8 gearbox ..
US $12.00
JM gen 9  j10 acr 470 long shaft upgrade motor JM gen 9  j10 acr 470 long shaft upgrade motor
Out Of Stock
JM gen 9 j10 470 long shaft upgrade motor NdFeB magnetmetal bottom cover come with pinion gear High speed and high torque runs about 35000 rpm ..
US $22.00
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