As an expert in the field of firearms and ammunition, I can provide you with a detailed explanation of the 7.62x54mm cartridge.
The
7.62x54mm is a rimmed, bottlenecked rifle cartridge that was developed by the Russian Empire in the late 19th century. It is also known as the
.30 caliber due to its bullet diameter of approximately .30 inches (7.62mm). The "x54mm" in its name refers to the case length, which is 54mm. This cartridge has been used in a variety of rifles and machine guns, and it is known for its long-range capabilities and high velocity.
The
7.62x54mm is still in use today, particularly in countries that were part of the former Soviet Union. It is commonly used in the Dragunov sniper rifle and the PK machine gun. The cartridge is favored for its performance in long-range engagements and its ability to penetrate body armor at certain distances.
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