I zero my shorties at 25 yards, and 16's at 50.......never had an issue hitting what I shoot at so haven't really measured drop agains the round impacting above line of sight.
Manufacturer specializing in both DI and Blowback pistol caliber uppers. www.maconarmory.com
45 ACP, 45 Win Mag, 460 Rowland, 10mm, 40S&W, 9mm and 7.62 Tokarev.