the most common weights are 90 and 95 grains, but they are available in other grains. I think 105 is the heaviest available.
The .380 is a 9mm bullet. But, going with the assuming that you're comparing the .380 ACP (9x17mm) against the 9mm Luger/9mm Parabellum (9x19mm), the answer would be no.
dfgg
The mass of a bullet is nowhere near the mass of a gun. A bullet weighs at most a few hundred grains. Most guns weigh at least a couple of pounds, some weigh several pounds (talking about handguns and rifles).
380 pounds = 172.36 kilograms.
380
how far does 380 bullet travel
The heaviest bullet in my reloading manuals for the .380 is a 120 grain cast bullet.
380
380 and 9mm ammunition IS NOT INTERCHANGEABLE.
About 123 grains.
.355
No, the bullet will not seat.
the most common weights are 90 and 95 grains, but they are available in other grains. I think 105 is the heaviest available.
360 mph
.355 inches.
9x17mm, otherwise known as the .380 ACP.