Is the American 0.30M2 bullet easy to explode?

American 0.30M2 bullet: As early as around 1920, Fengtian Ordnance Wide Bomb Factory produced this kind of bullet, and after the successful imitation by Zhanjiaxi Manufacturing Factory of No.20 Factory, 50.44 million bullets were produced from 1947 to 1948. Chenxi Branch of No.11 Factory 1947 monthly output10.8 million rounds. The bullet has a caliber of 7.62 mm (0.30 inch), a total length of 84.5 mm and a total weight of 24 grams, and is suitable for all kinds of American 7.62 mm step machine guns.

According to the data, the bomb had a chamber explosion accident in use. 1May, 949, Wei Yangji of Ordnance Department called No.20 Factory: "When the 50 th Army distributed the domestic 30-step machine ammunition, it often exploded ... I hope this factory will pay attention to improvement and strict inspection in manufacturing."