As of July 2015, there are not readily available free Bibles specifically in the New Revised Standard Version. The U.S. Bible Society sends free King James Version Bibles to those who complete a request form online. Local churches often distribute free Bibles in a variety of translations.
While not free, Bibles.com offers the NRSV for as low as $5.79, as of July 2015. For those who are open to non-print options, there are numerous free online or technology-based Bibles. BibleGateway.com is a free, open resource that allows users to search, read, or listen to nearly every version of the Bible, including the New Revised Standard Version. The Google Play store also offers a free app for Android devices, "NRSV Bible Apocrypha 4.0," available as of July 2015.