ICS Split Gearbox Parts
I have an ICS M4 SIR and i need to upgrade the parts inside the upper gear box due to an compression issue. I was just wondering if anyone knows of any parts that aren't compatible with the ICS Gearbox as well as what brands you guys have had the best results with. I hear Prometheous is pretty much one of the best but I dont want to make sure before I go and waste my money.
Upgrades i am wanting:
6.03 tightbore barrel
cylinder
piston and head
air nozzle
cylinder head
also whats the story with the bore up kits, will they fit and what is the advantages of them.
Thanks in advance for the advice
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