Grs = Grains
Vel = velocity
Ft/s = feet per second
Press = pressure
COL = Cartridge overall length
Not too bad in this case.
Oooh ok haha. I was thinking “while these aren’t the most common abbreviations, they’re all pretty logical IMO, but I’m also an abbreviation/acronym guy soooo...”I should have been more clear...lol....bullet brand, etc.