There are two factory loads. Hornady offers a 200 grain Interlock spitzer and Winchester offers a 200 RN Silvertip. The Hornady will shoot flatter because of the more aerodynamic bullet. It's also more available; the Winchester is a seasonal run which means they make some every now and then.
There are also offerings from Buffalo Bore and Doubletap:
http://www.midwayusa.com/find?sortby...mensionid=9862