This means the weight of the bullet itself. A common misunderstanding is that the higher the grain the better. Which is not true. A larger grain is slower than a smaller grain. Find which grain of bullet shoots the most accurate out of your gun. There are 7,000 grains to a pound.
Its the weight of the ammunition
115 grains is the weight of the bullet.
The grain numbers on ammunition are the projectiles weight in grains, at 7000 grains to a pound equals 437.5 grains to an ounce.
cabela's
A 'grain' is defined as 1/7000 of one pound. A 140 grain bullet weighs 1/50 pound or about 1/3 ounce. A grain is also about 1/15 of a gram. Grain weights are used most often for bullets and powder weighing under one ounce.
Grain is a measure of weight, like gram or ounces. It can refer to the weight of powder, or the weight of a bullet.
Either can travel faster than the other depending on the load.
=What the does grain mean?=
shoot them and see results. I load 9mm with 115 and 124 grains, so 125 grain 'might' be little heavy for 380, but that does not mean they won't preform well. Try & see ??
115 and 124 among others
standard 115 grain 9 mm ammo or higher grain bullet.
Arithmetic mean = 120