| With the forthcoming TUSK add-on kit, an M2 | | | | ballistic fire-control computer that uses |
| or an Mk 19 grenade launcher can be mounted | | | | data from a variety of sources, including the |
| on the CROWS remote weapons platform (similar | | | | thermal or daylight Gunner's Primary Sight |
| to the Protector M151 remote weapon station | | | | (GPS), a laser rangefinder, a crosswind |
| used on the Stryker family of vehicles). 2. A | | | | sensor, a pendulum static cant sensor, data |
| 7.62 mm M240 machine gun in front of the | | | | on the ammunition type, ammunition |
| loader's hatch on a skate mount. 3. A 7.62 mm | | | | temperature, and a muzzle reference sensor |
| M240 machine gun in a coaxial mount. The | | | | (MRS) that determines barrel drop due to |
| coaxial MG is aimed and fired with the | | | | gravity and temperature. The fire-control |
| computer fire control system used for the | | | | system uses this data to compute a firing |
| main gun. The turret is fitted with two | | | | solution for the gunner. The ballistic |
| six-barreled smoke grenade launchers (USMC | | | | solution generated ensures a hit percentage |
| Abrams use an eight-barreled version). These | | | | greater than 95 percent at nominal ranges. |
| can create a thick smoke that blocks both | | | | Either the commander or gunner can fire the |
| vision and thermal imaging, and can also be | | | | main gun. |
| armed with chaff. The engine is also equipped | | | | |
| with a smoke generator that is triggered by | | | | Additionally, the Commander's Independent |
| the driver. | | | | Thermal Viewer (CITV) can be used to locate |
| | | | targets and pass them on for the gunner to |
| The Abrams also has provisions for storing an | | | | engage while the commander scans for new |
| M16 rifle or M4 carbine inside the crew | | | | targets. In the event of a malfunction or |
| compartment for when they have to leave the | | | | damage to the primary sight system, the main |
| protection of the tank under potentially | | | | and coaxial weapons can be manually aimed |
| hostile conditions, plus Abrams crews always | | | | using a telescopic scope bore sighted to the |
| carry personal side arms, the M9 Beretta | | | | main gun known as the Gunner's Auxiliary |
| pistols. The Abrams is equipped with a | | | | Sight (GAS). |