40mm Low-Velocity Grenades
https://www.inetres.com/gp/military/infantry/grenade/40mm_ammo.html
WebFeb 25, 2010 · DESCRIPTION. This page describes the most commonly used 40mm low-velocity rounds for the U.S. M320, M203, and M79 grenade launchers. These rounds include high-explosive, illuminating, signaling, CS, training, and multi-purpose ammunition. If fired into snow or mud, 40mm rounds may not hit hard enough to detonate.
DA: 79 PA: 88 MOZ Rank: 87