read it for yourself:
http://www.winchesterguns.com/products/catalog/detail.asp?family=021C&mid=512273
notice it makes the distinction between the bore (hard chrome) vs the rest of the body (black chrome). It compares the SXP's black chrome with the useless blueing that every other company uses. If you google black chrome, you'll find it's an expensive process:
http://www.wisegeek.com/what-is-black-chrome-plating.htm



























