I am not sure, this might be old news.
http://media.putfile.com/apexweb
Basically a system along the lines of Tippman's flatline barrel but this allows you to curve the ball left, right, under, over.
http://media.putfile.com/apexweb
Basically a system along the lines of Tippman's flatline barrel but this allows you to curve the ball left, right, under, over.