The "M&P Spec Series" logo is laser-engraved over the barrel, at the ejection window. The journal release catch is reversible for appropriate-handed or left-handed users, even though the slide halt is ambidextrous from factory. M&P handguns ended up introduced in 2005 as Smith & Wesson’s new line of polymer pistols. https://miloexnbm.wikijm.com/709439/everything_about_smith_wesson_2023_spec_series_m_p_9_metal_m2_0