 This model was striker-fired, and featured a double-column magazine that held 16 rounds.The design was refined through several trials held by the Versailles Trial Commission.In 1928, when the patents for the Colt Model 1911 had expired, Dieudonné Saive integrated many of the Colt's previously patented features into the "Grand Rendement" design, in the Saive-Browning Model of 1928.