VFC-clone AK gearbox airseal upgrades
Hello,
I've got a cyma ak-74 with a piston and air nozzle that doesn't seal.
Currently looking at getting the following upgraded parts :
-Cylinder head
-Air nozzle
-Piston head
-Piston
I would like to order all of these parts at once to save shipping, preferably from canada. I am quite worried with compatibility issues so I would like some help... let's say I have a 100$ budget for all of those, what would be a good setup ?
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