[-Dan-]

hi all

sorry if this has been asked many times, i did do a quick search but could not find any relivant information.

any ways, i have upgraded my AUG with, new piston, POM piston head with vents, metal spring guide, high tourge gears, high tourge motor, and a m120 spring.
the cylinder and cylinder head are stock as well as the air nozzel.

when i was researching springs i read that the m120 would give a fps of around 380-400,

the gun is shooting nicely but when i chronode it last week, i was getting a wide range of fps from 350 to a maximum of 378. because there was so much change between each shot im thinking there may be a leak some were? what do you think?

any way my question is, i thinking of getting a new cylinder and cylinder head, do you think this will give me a more constant fps. and if so what cylinder type should i go for?

the AUG has quite a long barrel and i was considering the
Systema Bore-Up Cylinder Set?
would this be a good choice?
the other cylinder type i was considering was the
Systema Teflon Cylinder?
would this be a better option?

i have read that bore up cylinders are better for guns with longer barrels. And teflon cylinders are better for higher rate of fire guns.

sorry for the long post
any help is much welcome
cheers