SpudFiles

Stop taking the mick out of him sice his is right, You can get great results if you chamber is the same diamiter as your barrel,

For combustion, your still fireing throught the size of you barrel so you wont gian any flow or anything,

And with pneumatic it dependes on the size of the valve, but are you saying BTBs shotgun has shit performance?

ya but 1000yards the gun must be massive