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The SIG MCX Spear (stylized as MCX-SPEAR) is a multi-caliber rifle developed by the American division of SIG Sauer from the SIG MCX series of carbines. The SIG MCX Spear is primarily chambered in .277 SIG FURY but can be adapted to 7.62×51mm NATO and 6.5mm Creedmoor with a barrel change.
In September 2019, SIG Sauer submitted its designs. [10] The SIG Sauer MCX-SPEAR (the rifle's commercial designation) is chambered in the 6.8×51mm (.277 in) SIG Fury cartridge in response to concerns that improvements in body armor would diminish the effectiveness of ammunition such as the 5.56×45mm NATO (for the M4 and M249) and 7.62×51mm ...
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 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 SIG MCX Pistol is the pistol configuration of the rifle with a 229 mm (9 in) barrel or 292 mm (11.5 in) barrel and comes either with the SIG Sauer SBX (pistol stabilizing brace) or SIG Sauer PCB (pistol pivoting contour folding brace).
SIG MCX: SIG Sauer: 5.56×45mm NATO.300 AAC Blackout (MCX), .277 Fury, 7.62x51mm NATO. 6.5 Creedmoor (MCX Spear) Switzerland: 2010s SIG Sauer SIGM400: SIG Sauer: 5.56×45mm NATO.223 Remington.300 AAC Blackout Germany: 2000s SIG Sauer SIG516
MCX Spear: SIG Sauer: 7.62x51mm NATO 6.5mm Creedmoor.277 FURY: Select fire United States: 2019 SIG SG 510: Schweizerische Industrie Gesellschaft: 7.5×55mm Swiss 7.62×51mm NATO: Select fire Switzerland: 1956 SIG SG 542: Schweizerische Industrie Gesellschaft FAMAE: 7.62×51mm NATO: Select fire Switzerland: 1977 ShAK-12: Izhmash: 12.7×55mm ...
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 ...