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The XM7, previously known as the XM5, is the U.S. Army variant of the SIG MCX Spear, a 6.8×51mm (.277 in), gas-operated, magazine-fed battle rifle [1] designed by SIG Sauer for the Next Generation Squad Weapon program in 2022 to replace the M4 carbine.
The XM250's design is an offshoot of the MG 338 which SIG was also developing for SOCOM. [7] The XM250 light machine gun and XM7 rifle were designed to fire the 6.8×51mm SIG Fury cartridge in response to concerns that improvements in body armor would diminish the effectiveness of common battlefield rounds such as the 5.56×45mm NATO (used in ...
The .277 Fury or 6.8×51mm Common Cartridge [4] [5] (designated as the .277 SIG Fury by SAAMI) [1] is a centerfire rimless bottlenecked rifle cartridge announced by SIG Sauer in late 2019. [2] Its hybrid three-piece cartridge case has a steel case head and brass body connected by an aluminum locking washer to support the high chamber pressure ...
The 6.8mm Remington Special Purpose Cartridge (6.8 SPC, 6.8 SPC II or 6.8×43mm) is a rimless bottlenecked intermediate rifle cartridge that was developed by Remington Arms in collaboration with members of the U.S. Army Marksmanship Unit and United States Special Operations Command [6] to possibly replace the 5.56 NATO cartridge in short barreled rifles (SBR) and carbines.
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 ...
In September 2019, SIG Sauer submitted their designs. [5] The XM7 rifle was designed to fire the 6.8×51mm SIG Fury cartridge in response to concerns that improvements in body armor would diminish the effectiveness of common battlefield rounds such as the 5.56×45mm NATO (used in the M4 and M249) and 7.62×51mm NATO.
SIG Sauer: 5.56×45mm NATO, .300 AAC Blackout: USSOCOM: XM7 NGSW: Assault rifle: SIG Sauer.277 FURY: NGSW program: Selected by the United States Army to replace the M16/M4 platform. Sniper rifles, marksman rifles and anti-materiel sniper rifles Mk 14 EBR: Designated marksman rifle/Sniper rifle: Smith Enterprise, Inc. 7.62×51mm NATO: Army ...
SIG XM7 NGSW: SIG Sauer: 5.56×45mm NATO.300 AAC Blackout (MCX).277 Fury (XM5 NGSW) Switzerland Yes 2015–present (MCX) 2019–Present (XM7) SIG Sauer SIG516: Schweizerische Industrie Gesellschaft: 5.56×45mm NATO.223 Remington 7.62×39mm United States Yes c. 2010–present SIG Sauer SIGM400: Schweizerische Industrie Gesellschaft: 5.56×45mm NATO