Since I have a prometheus barrel already, I think im going to try a KM 6.04. Im looking for a barrel that is 488mm for my custom M4. Can I find a KM barrel that is around that length even if it says its not suited for an M4/M16?
Im guessing that they specify the compatibility of different barrel lengths for different AEGS to maximize the air push based on the cylinders used for each type of gun.
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