The PIMCO Commodity RealReturn Strategy Fund Class R (PCSRX) is a mutual fund that focuses on investing in commodities, such as natural resources and agricultural products, with the goal of providing investors with a real return that outpaces inflation. This fund is managed by PIMCO, a leading investment management firm, and is designed to provide diversification and potential for long-term growth in a portfolio. The Class R shares of this fund are specifically designed for retirement accounts, making it a suitable option for those looking to add commodities to their retirement savings strategy.