When did China build the 6.8 mm bullet?

The 6.8 mm bullet is a German Mao Se bullet. 1907, after the first successful imitation of Guangdong Ordnance Factory, Jiangnan Manufacturing Bureau, Dezhou, Hanyang and Sichuan Arsenal were also built. According to incomplete statistics,1907 ~1926 * * produced more than 46 million rounds. Among them, Hanyang Arsenal has the largest number, with 39.92 million rounds. Other factories only have tens of thousands or12 million rounds.

The main technical parameters of the 6.8mm bullet tip are: the length of the bullet is 82. 1 mm, the weight of the bullet is 22.5g, and the weight of the warhead is 9g. The components of the 6.8mm rifle used by Guangdong Ordnance Manufacturing General Factory and the Oshui machine gun are: the shell weight10.62 ~10.70g, and the propellant charge is 2.56g.. The muzzle velocity of the machine gun is 780 m/s.