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The M249 SAW combines the rate of fire of a machine gun with the accuracy and portability of an assault rifle. The M249 SAW is gas operated and air-cooled. It features a quick-change barrel (enabling the operator to rapidly replace an overheated or obstructed barrel) and a folding bipod attached to the front of the weapon (an M192 LGM tripod is ...
A U.S. Army graphic detailing the competitors for the program as of December 2020. The Next Generation Squad Weapon (NGSW) program is a United States military program created in 2017 by the U.S. Army to replace the 5.56mm M4 carbine, the M249 SAW light machine gun, and the 7.62mm M240 machine gun, with a common system of 6.8mm cartridges and to develop small arms fire-control systems for the ...
Rate of fire may also be affected by ergonomic factors. For rifles, ease-of-use features such as the design of the bolt or magazine release can affect the rate of fire. For artillery pieces, a gun on a towed mount can usually achieve a higher rate of fire than the same weapon mounted within the cramped confines of a tank or self-propelled gun ...
In addition, indirect fire is provided by the M320 grenade launcher in fireteams, M224A1 60 mm mortar in companies, and M252 81 mm mortar in battalions. The M2 .50 caliber heavy machine gun and MK19 automatic grenade launcher (40 mm) are available for use by dismounted infantry, though they are more commonly vehicle-mounted.
The weapon chosen to replace the M249 was the modified HK416, later designated the M27 IAR. The M249 SAW is still in use as a squad automatic weapon by the US Army. In 2019, US Army launched Next Generation Squad Weapon Program to find replacement for M249 SAW and replacement for 5.56×45mm NATO round. There are three competitors:
The Belgian Minimi M249 light machine gun, one of the most widespread modern 5.56 mm light machine guns amongst NATO countries. This one is an M249E3 "Para" model. This one is an M249E3 "Para" model. IWI Negev of the Israeli Army Bren light machine gun .30-06 Browning Automatic Rifle Model 1918
The courses of fire are conducted from either a benchrest or standing position, from ranges of 5 to 25 yards, with 20 to 30 shots, and has 2 or 3 phases of fire (slow fire, timed fire, and rapid fire). A course of fire must be completed in the same session and must be witnessed by the range supervisor or the officer-in-charge of the law ...
The M240G has three gas settings, allowing the machine gun to have a fire rate between 650 and 750 rounds per minute when set to the first gas setting, 750–850 rounds per minute at the second gas setting, and 850–950 rounds per minute at the third gas setting, whereas the M240B only has one setting, restricting the fire rate to between 550 ...