What is the arming distance for the M203 40mm Grenade Launcher?

The arming distance for the M203 40mm Grenade Launcher is 14 to 28 meters, with 17 meters often cited as the standard arming distance. This is the minimum distance that the grenade must travel before it can safely arm itself and detonate upon impact or after the delay. Understanding this distance is crucial for the effective and safe use of the M203 in combat scenarios.

The other distances listed do not fall within the established parameters for safe use. Recognizing the correct arming distance ensures that Marines can employ the weapon effectively, minimizing the risk of premature detonations and enhancing overall operational safety.