I have no idea where you read that but no you do not require a non ported cylinder.
If you purchase the correct length of tight bore barrel which ideally should be the exact same length as your stock barrel then your stock cylinder should already be the appropriate bore set up.
Originally Posted by danelen
I wouldnt mind knowing what all these upgrades get me lol.
What do you mean? You whined about getting upgrades for range and accuracy! What do you think the upgrades we suggested do? Give your AEG the ability to make coffee for you at 7AM before you get out of bed? Do your laundry? Wash your car? Wipe your ass?
No they give you better range and accuracy.