Mk 47 Striker

The Mk 47 or Striker 40 is a 40mm automatic grenade launcher with an integrated fire control system, capable of launching smart programmable 40mm air burst grenades in addition to various unguided rounds.
Design.
The Mk 47 has the latest sensing, targeting and ballistics technology. The Lightweight Video Sight produced by Raytheon, the Mk 47's fire control system, utilizes the latest in laser rangefinding, I2 night vision and ballistic computer technology.
In addition to being able to fire all NATO standard high-velocity 40mm rounds like the Mk 19 grenade launcher, it can fire MK285 smart grenades that can be programmed to air burst after a set distance. A computerized sight allows the user to set this distance.
Users.
The US military and the Israel Defence Forces have fielded limited numbers of MK 47 Mod 0 systems, with approximately 1,500 in US service.