Information: - The .38 ACP (Automatic Colt Pistol) also known as the .38 Auto was introduced at the turn of the 20th century for the John Browning-designed Colt M1900. It was first used in Colt's Model 1897 prototype, which he did not produce. The metric designation for the round is 923mmSR (SRSemi Rimmed) (not to be confused with the modern 923mm Winchester or the .380 ACP). - The .25 ACP (Automatic Colt Pistol) (6.3516mmSR) is a semi-rimmed, straight-walled centerfire pistol cartridge introduced by John Browning in 1905 alongside the Fabrique Nationale M1905 pistol. - The .45 ACP (11.4323mm) (Automatic Colt Pistol), also known as the .45 Auto by C.I.P. or 45 Auto by SAAMI, is a cartridge designed by John Browning in 1904, for use in his prototype Colt semi-automatic .45 pistol and eventually the M1911 pistol adopted by the United States Army in 1911. - The 923mm Winchester is a pistol cartridge developed as a joint venture by Winchester Ammunition and Colt's Manufacturing Company. The 923mm Winchester has a convoluted development history, but was commercially introduced by Winchester in 1996. Marketed primarily to competition shooters as a replacement for .38 Super for International Practical Shooting Confederation, United States Practical Shooting Association and International Defensive Pistol Association competition, the cartridge made a splash, but never really caught on. - The .380 ACP ( Automatic Colt Pistol ) is a rimless , straight - walled pistol cartridge developed by firearms designer John Moses Browning . The cartridge headspaces on the mouth of the case . It was introduced in 1908 by Colt , for use in its new Colt Model 1908 pocket hammerless semi-automatic , and has been a popular self - defense cartridge ever since , seeing wide use in numerous handguns ( typically smaller weapons ) . Other names for .380 ACP include .380 Auto , 9mm Browning , 9mm Corto , 9mm Kurz , 9mm Short , 9 17mm and 9 mm Browning Court ( which is the C.I.P. designation ) . It is not to be confused with .38 ACP , 9mm Ultra , 9mm Makarov or 9mm Parabellum . - Automatic Colt Pistol (ACP) denotes various John Browning cartridge designs primarily used in Colt and Fabrique Nationale de Herstal pistols. All of these cartridges are straight-sided and appear similar. The .25 ACP, .32 ACP, and .38 ACP are semi-rimmed and headspace on the rim, while the rimless .380 ACP and .45 ACP headspace on the mouth of the case. - .32 ACP (Automatic Colt Pistol), also known as the .32 Automatic is a centerfire pistol cartridge. It is a semi-rimmed, straight-walled cartridge developed by firearms designer John Browning, initially for use in the FN M1900 semi-automatic pistol. It was introduced in 1899 by Fabrique Nationale, and is also known as the 7.6517mmSR Browning or 7.65mm Browning Short. What object entity has the relation of 'designer' with the subject '.380 acp'? Choices: - john browning - winchester
The answer to this question is:
john browning