147grain
147grain describes the weight of a single bullet, measured in grains. A grain is defined as 1/7000 of a pound or about 0.0648 grams, so 147 grains is roughly 9.53 grams or about 0.021 pounds. In ammunition terminology, 147 grain is a common bullet weight designation used to specify the mass of the projectile inside a cartridge.
The term is most often associated with 9x19mm Parabellum pistol ammunition, where 147-grain designs are favored
Ballistic performance for a 147-grain bullet varies with the cartridge, loading, and firearm. In 9mm, 147-grain
While 147 grains is most closely associated with 9mm ammunition, bullet weights around this mass are used