If you can' find one locally from an individual or shop, your best bet would be to go through the CMP for one. Usually you' ll need to go through a CMP-approved gun club to do it, but the price is really right - plus you know you' ll be getting a good shooting rifle that meets, at the very least, minimum military service specs.
Here' s a link to the CMP for details:
http://www.odcmp.com/