Fellow owners DR Marine has teak handrails listed on their site 2 4 & 5 loops from $50 to $75 ea.
http://www.drmarine.com/products.asp?cat=381 (http://www.drmarine.com/products.asp?cat=381)
They also have other OEM parts.
Our own Don Woodruff can also fabricate handrails in Teak.
Contact him through the site.
Ed,
Below is a link to Sea Dragon's hand rail replacement project....
http://www.sailingseadragon.com/HandRails.htm (http://www.sailingseadragon.com/HandRails.htm)
Garner