This is what im talking about, I was thinking about getting one of these instead of a regular elbow because elbows are prone to breaking.
http://us.st9.yimg.com/store6.yimg.c...l_1798_6262721
"The JAVA Aluminum Feed Tube is designed for vertical feed Kingman guns only (and clones like the NPS Icon). It slides right over the feed port and locks on with a set screw. Increase your ball stack and increase your rate of fire."