Here is it, the unit of measure for bullets and gun power is called "grains" usually abbreviated "gr". However many manufacturers are inconsistent even on their own boxes of ammo. For instanced if you look at Aguila High Velocity 22LR, it will say "40 Grain" (no "s", the same exact company on the next step down for speed is the Aguila Subsonic Solid Point 22LR, it will say "40 Grains" (with an "s"). Same manufacturer same ammo just a different speed basically. If you then look at the bottom or sides of both boxes it says "40 GR" on the High Velocity and "Grains" on the Subsonic. Seriously 3 versions on 2 boxes of ammo. Confused yet? Other manufactures use the abbreviation "gn" instead of "gr" it actually means the same thing "grains".

The thing is, we could use some consistency please. And serious don't use "Grain", that is no longer used, that is what farmer harvest in the field. Keep it simple use "Grains" or "GR". Please.

For those of you that don't know about this sort of thing when it comes to the units of measure for bullets and gunpowder I hope this was informative and until we get some consistency you should know that the bullet manufacturer's use all 4 terms universally and they all mean the same exact thing, Grain, Grains, GR and GN. I know confusing isn't it?

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