Дuring World War II it was one of the few cartridges used by both the Axis and Allied powers, a distinction it shared with the 9Г—19mm Parabellum pistol round. This made the round the most widely used military rifle cartridge in the world during the inter-war years. These included: Spain, Poland, Czechoslovakia, Romania, Iran, Turkey, China, Egypt, Yugoslavia, former German African colonies. This, and the cartridge's high performance and versatility, led to the 7.92Г—57mm Mauser being adopted by the armed forces of various governments. In the post-war years, 7.92Г—57mm Mauser chambered Gewehr 98 pattern rifles were produced in Belgium, Czechoslovakia, Poland, Mexico, Austria and China. MG 34 with inserted 7.92Г—57mm Gurt 34 ammunition beltДue to restrictions imposed by the Treaty of Versailles, the Germans were not able to develop or sell any military equipment after World War I. The rimless cartridge cases have been used as parent case for several other necked down and necked up cartridges and a rimmed variant. As the bolt thrust of the 7.92Г—57mm Mauser is relatively low compared to many other service rounds used in the early 20th century, many arms originally chambered for the Patrone 88 could be and were adapted for chambering the S Patrone by reaming out metal from the chamber as it required a wider chamber throat to take the differently shaped and thicker brass of the new S Patrone. In German military service the Patrone 88 was replaced in 19 by the S Patrone. With the improved ballistic coefficient of the new bullet, the 1903 pattern cartridge had an improved maximum effective range and a flatter trajectory, and was therefore less critical of range estimation compared to the M/88 cartridge. The operating pressure was 300В MPa (43,511В psi). The 1903 pattern S Patrone (S ball cartridge) was loaded with a lighter 9.9 grams (153В gr), pointed SpitzgeschoГџ (spire point bullet) of 8.2В mm (0.323В in) diameter and more powerful double-base (based on nitrocellulose and nitroglycerin) smokeless powder resulting in nearly 38% higher muzzle velocity and 27% more muzzle energy. Besides the chambering, the bore (designated as 'S-bore') was also dimensionally redesigned. German government driven efforts to further improve on the performance of the military M/88 ammunition and the service arms in which the M/88 was used after several development steps eventually resulted in the official adoption on 3 April 1903 by the Gewehr-PrГјfungskommission of the dimensionally redesigned 7.92Г—57mm Mauser chambering. The M/88 barrel bore specification was changed by 1894вЂ“1895 to 7.90В mm (0.311В in) lands diameter and 8.20В mm (0.323В in) grooves diameter to improve accuracy and reduce barrel wear in M/88 chambered arms. The M/88 bore originally had 7.90В mm (0.311В in) lands diameter and 8.10В mm (0.319В in) grooves diameter. The M/88 cartridge was loaded with 2.75В g (42.4В gr) of single-base (based on nitrocellulose) smokeless powder and a relatively heavy, 14.7 grams (227В gr), round-nosed ball bullet with a diameter of 8.08В mm (0.318В in). It was a first-generation smokeless propellant cartridge designed by the German Gewehr-PrГјfungskommission (G.P.K.) (Rifle Testing Commission), as the new smokeless propellant introduced as Poudre B in the 1886 pattern 8mm Lebel had started a military rifle ammunition revolution. The parent cartridge, upon which the 7.92Г—57mm Mauser is based, was adopted by Germany in 1888 as the Patrone 88 (cartridge 88) or M/88 (along with the Gewehr 1888 service rifle). In the 21st century it is still a popular sport and hunting cartridge that is factory-produced in Europe and the United States.ДЎ888 pattern M/88 (left) parent cartridge alongside the 1903 pattern 7.92Г—57mm Mauser S Patrone. In its day, the 7.92Г—57mm Mauser cartridge was one of the world's most popular military cartridges. The 7.92Г—57mm Mauser cartridge was adopted by the German Empire in 1903вЂ“1905, and was the German service cartridge in both World Wars. ) is a rimless bottlenecked rifle cartridge. The 7.92Г—57mm Mauser (designated as the 8mm Mauser or 8Г—57mm by the SAAMI and 8 Г— 57 IS by the C.I.P. Germany, United Kingdom, Spain, Czechoslovakia, Poland, China, Dominican Republic, Yugoslavia, Ottoman Empire, Turkey, Iran, Egypt, and many other countries

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