The P228 is a compact pistol variant of the P226. The P228 is a compact semi-automatic pistol manufactured by SIG Sauer that chambers the 9x19mm Parabellum round. The P228 was thought to be the first compact pistol ever made. The United States Military designate the weapon as the M11 (unlike the MAC-11). The P228 is categorized as a handgun in the Rainbow Six universe. The P228 appears in the Black Thorn expansion of Tom Clancy's Rainbow Six: Rogue Spear, and Tom Clancy's Rainbow Six 3: Raven Shield.