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  2. XM7 rifle - Wikipedia

    en.wikipedia.org/wiki/XM7_rifle

    The XM7, previously designated 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. XM250 - Wikipedia

    en.wikipedia.org/wiki/XM250

    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 ...

  4. .277 Fury - Wikipedia

    en.wikipedia.org/wiki/.277_Fury

    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 ...

  5. List of AR platform cartridges - Wikipedia

    en.wikipedia.org/wiki/List_of_AR_platform_cartridges

    The 10mm cartridge and the 40 S&W are almost identical, but the 10mm case is longer and operates at a higher pressure. This means that you can use existing 357-Sig dies to re-form the straight-wall 10mm case into a shouldered .355" (9mm), and then the neck can be sized up to accept .358 rifle bullets.

  6. SIG MCX-SPEAR - Wikipedia

    en.wikipedia.org/wiki/SIG_MCX-SPEAR

    In September 2019, SIG Sauer submitted their designs. [6] 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.

  7. List of equipment of the United States Army - Wikipedia

    en.wikipedia.org/wiki/List_of_equipment_of_the...

    The United States Army uses various equipment in the course of their work. Small arms Firearms Model Image Caliber Type Origin Details Pistols SIG Sauer M17 9×19mm NATO Pistol United States SIG Sauer P320 – US Army Standard Issue Sidearm. Winner of the Modular Handgun System competition. Replaced all M9 and M11 pistols in service. Glock 26 9×19mm NATO pistol Austria Glock 26 – limited ...

  8. 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 ...

  9. MIL-STD-1168 - Wikipedia

    en.wikipedia.org/wiki/MIL-STD-1168

    The first four digits comprise the Federal Stock Composition Group, the Type and Family the item belongs to. Small Arms Ammunition (weapons with a bore up to 30mm) are given the FSCG prefix of 1305. Heavy Weapons Ammunition (weapons with a bore greater than 30mm) are given the FSCG prefixes of 1310 (30mm through 75mm), 1315 (75mm through 125mm ...