Here's a link I found on HCA bows - your seems to have 14" and the string and harness are specified as well. You might try to track down which of the 14" limbs are compatible with yours and track down a used bow if you could. My Ultra Force has 16" limbs so I'm no help. Good luck.
http://www.highcountryarchery.net-images-hcastringchart.pdf