13 lb (5.9 kg) (with bipod) 14.5 lb (6.6 kg) (with suppressor and bipod) 6.77 lb (3.07 kg) (100-round pouch)[2]
Length
41.87 in (1,063 mm) (with suppressor)[3]
Barrel length
17.5 in (444 mm)[4]
Caliber
.277 Fury (6.8×51mm Common)
Action
Gas-operated
Rate of fire
~800 rounds/min
Feed system
30, 50, 100, or 200 rounds semi-rigid pouches
An officer from Fort Campbell fires an XM250.
The XM250 is the U.S. military designation for the SIG LMG 6.8, a 6.8×51mm (.277 in), gas-operated, belt-fed, light machine gun designed by SIG Sauer for the U.S. Army's Next Generation Squad Weapon Program in 2022 to replace the M249 light machine gun. The XM250 light machine gun features a free-floating reinforced M-LOK handguard for direct accessory attachment onto the "negative space" (hollow slot) mounting points.
The XM250 began fielding in March 2024.[5]
^Reinsch, Michael (13 May 2022). "NGSW signifies an evolution in Soldier lethality". U.S. Army. Archived from the original on 16 July 2022. Retrieved 18 July 2022.
^Beynon, Steve (2 May 2022). "How Well Do the Army's New Guns Perform? That's Classified, But Soldiers Will Carry More Weight, Less Ammo". Military.com. Archived from the original on 30 May 2022.
^Popenker, Maxim. "SIG Sauer NGSW-R MCX Spear XM5 assault rifle (USA)". Modern Firearms. Archived from the original on 22 May 2022.
^Moss, Matthew (16 May 2022). "US Army Shares Details on Next Generation Squad Weapons". The Firearm Blog. Archived from the original on 18 May 2022.
^101st Airborne first Army unit to field Next Generation Squad Weapons. Army Times. 29 March 2024.
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