Smaller caliber, lighter bullet at higher velocity. 7.62x25mm Tokarev = .311 caliber, 85-90 grain bullet at 1,300-1,700fps https://en.wikipedia.org/wiki/7.62%C3%9725mm_Tokarev
Versus a larger, heavier bullet at lower velocity. .45 ACP = .45 caliber, 230 grain bullet at about 850fps https://en.wikipedia.org/wiki/.45_ACP
Different design philosophies.
Smaller caliber, lighter bullet at higher velocity. 7.62x25mm Tokarev = .311 caliber, 85-90 grain bullet at 1,300-1,700fps
https://en.wikipedia.org/wiki/7.62%C3%9725mm_Tokarev
Versus a larger, heavier bullet at lower velocity. .45 ACP = .45 caliber, 230 grain bullet at about 850fps
https://en.wikipedia.org/wiki/.45_ACP
Different design philosophies.
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