The Glock 27 Gen 5 SEMI-AUTOMATIC pistol utilizes .40 S&W calibre ammunition, featuring revolutionary design elements, unmatched performance, and improved accuracy. Noteworthy attributes include smoother handling, an ambidextrous slide stop lever, nDLC finish, polygonal barrel rifling, and enhanced Glock Marksman Barrel (GMB). It's compact size allows for optimal concealment and portability.