BulletFlight is an application for every Marine Sniper’s .50 caliber kill machine which is a basic ballistics computer. Calculations taking into account such factors as air pressure, altitude, and bullet weight can be entered into the device in order to minimize human error.
Further, Gizmodo suggests that in the pipe is a mount which would allow users to have their iTouch arranged right next to their scope so that when they’re trying to “smoke check” a target from 800 yards, there isn’t any looking-down-in-one’s-lap nonsense. Shoot first, ask questions (of your target) later. It’s still okay to ask questions of your iTouch ahead of time.
Photo Source: Gizmodo