Yes the expansion chamebr is a waste of time and money. In the old days, they were good for what they are, but now days, it is not worth it to get one. You can get an expansion chamber to help the problem out a little bit, or get HPA and/or a regulator and fix the problem totally.

And Shartley, You make a good point. Consistency is the primary factor. I will agree with you on that 100%. I always say barrel first, but to be honest, my main problem is consistancy. It effects me more than most because I of course, use a Flat Line. And the consistancy issues with CO2 are killing me. You cant get a good adjustment on the velocity with all the spikes and drops, and that makes it nearly imposible to get the Flat Line set up right.

So cancel one vote for barrel and mark me down for Palmer or HPA.