M250 grenade launcher

The M250 is a six-barrel^[1] 66-millimeter grenade launchers (the British No. 19 Mk 2 design)^[2] used on US Army M1 Abrams tank, USMC M1A1s used an eight-barreled version, known as the M257.^[1][3] Which the Bradley Infantry Fighting Vehicles also use M257. The M250 is designed to fire M82 smoke grenades.^[3]

M250 grenade launcher
Two M250 grenade launchers equipped on either side of the M1A1 Abrams's turret
Type	Automatic grenade launcher
Place of origin	United Kingdom
Service history
Used by	United States
Specifications
Cartridge	66 mm M82 smoke grenade
Barrels	6

The launchers are controlled from the commander's seat. Pressing a button launches 3 grenades from both sides of the M1, and pressing both buttons will launch all 6 grenades from both sides, equating to 12 in total. It is launched 30 meters from the tank, and provides a hail of smoke.^[1]