can you make a full description, like brandname?
mas madali kasi pag alam ang brand...
with sp130 a higher torque gear ratio like a Super Torque Up is optional...pero kung XYT ang stock gears mo, kaya pa rin yan at tatagal ang XYT stock gearset with lipoly use.. just shim it properly..
sp130 spring
metal bushings
shims
lipoly batt
pwede yan.. but also take into consideration:
sealed hop up and properly aligned hop up assembly
sealed cylinder head
good piston O-ring
better na hanapin mo muna brand nyan para mas madaling mag asses ng parts na kailangan mo pa...
pero i think na JG or CYMA older generation yan na AK47 kung talagang AK47 yan