Lance-grenade individuel Mle F1 (LGI Mle F1) Tags: Weapon.The lance-grenade individuel Mle F1 (LGI individual grenade launcher) is a French close-support weapon infantry weapon designed to be used by one man which provides soldiers with a lightweight indirect-fire support weapon akin to a small mortar. thumbnail length (km) 0.605 weight (kg) 4800.0 origin France Learn more... Loading...