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  2. XM7 rifle - Wikipedia

    en.wikipedia.org/wiki/XM7_rifle

    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 assault rifle [1] designed by SIG Sauer for the Next Generation Squad Weapon program in 2022 to replace the M4 carbine.

  3. Next Generation Squad Weapon - Wikipedia

    en.wikipedia.org/wiki/Next_Generation_Squad_Weapon

    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 ...

  4. XM250 - Wikipedia

    en.wikipedia.org/wiki/XM250

    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 M4 carbine and M249 light machine gun) and 7.62×51mm NATO. [8] [9] [10]

  5. Individual Carbine - Wikipedia

    en.wikipedia.org/wiki/Individual_Carbine

    If a new carbine was selected, the Army would see 500,000 purchased for infantry brigade combat teams (IBCT), and the existing and improved M4s given to support troops to replace their M16s. If the improved M4 turned out to be the winner and the new carbine program scrapped, then the IBCTs will likely be fitted with the improved M4s, and the ...

  6. SIG MCX Spear - Wikipedia

    en.wikipedia.org/wiki/SIG_MCX_Spear

    The main driving force behind the US Army's wish to upgrade its small arms came from lackluster performance when engaging insurgents abroad. Standard caliber M4 Carbines and M249 light machine guns chambered in 5.56×45mm NATO did not have the firepower to effectively engage in long-range firefights. Also found inadequate was the NATO standard ...

  7. .277 Fury - Wikipedia

    en.wikipedia.org/wiki/.277_Fury

    On April 19, 2022, the United States Army announced that it had selected SIG Sauer to build the XM7 rifle to partly replace the M4 carbine, while the XM250 automatic rifle was to replace the M249 SAW in the LMG role. In both cases it had selected the company's Fury ammunition, utilizing government provided projectiles and vendor-designed ...

  8. M4 carbine - Wikipedia

    en.wikipedia.org/wiki/M4_carbine

    The M4 carbine (officially Carbine, Caliber 5.56 mm, M4) is a 5.56×45mm NATO assault rifle developed in the United States during the 1980s. It is a shortened version of the M16A2 assault rifle. The M4 is extensively used by the US military , with decisions to largely replace the M16 rifle in US Army (starting 2010) and US Marine Corps ...

  9. Adcor A-556 - Wikipedia

    en.wikipedia.org/wiki/Adcor_A-556

    The ADCOR A-556 is an assault rifle based on the M16/M4 series. It is produced by the Adcor Defense Company and was one of the contenders in the US Army Individual Carbine Competition to replace the M4 Carbine.