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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 ...
Uses 10mm magnum pistol cases with a 6.8 SPC bolt-face. The existing 357-Sig pistol is a 9mm bullet shouldered into the larger 40 S&W pistol case. The 10mm cartridge and the 40 S&W are almost identical, but the 10mm case is longer and operates at a higher pressure.
Nearly 100 years after the .276 Pedersen introduced the concept of a 7mm infantry round for semi-automatic rifles, on April 19, 2022, the United States Army adopted the .277 Fury (6.8x51mm Common) as the United States Army's general-purpose cartridge, this cartridge features a 7.04 mm bullet in a two-part version of a necked down 7.62x51mm NATO ...
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 ...
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
The new cartridge is designated as 6.8 × 51 Common, known in the commercial market as the .277 Fury. [31] The bullet size of the 6.8×51mm is virtually identical to the bullet of the 7mm-08 Remington. The difference in diameter is less than 1/128 of an inch (0.2 mm), or approximately the thickness of two human hairs. [32]
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
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 ...