Smith & Wesson M&P 9 M2.0 9mm Luger 4.25in Stainless Steel Pistol - 17+1 Rounds - The performance that began with our polymer construction is now forging forward. The lightweight and rigid metal frame of the Smith & Wesson M&P9 M2.0 Metal provides an extraordinary foundation for higher performance. Built on the M&P platform, it is compatible with all M2.0 magazines, slides holsters and palmswells.