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  2. 6.8mm Remington SPC - Wikipedia

    en.wikipedia.org/wiki/6.8mm_Remington_SPC

    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.

  3. 6.8 Western - Wikipedia

    en.wikipedia.org/wiki/6.8_Western

    In 1925, Winchester introduced the .270 Winchester, previously known as the .270 WCF, based on the 30-06 Springfield case necked down to .277" (6.8 mm). Although the .270 Winchester was not an instant success, within a few decades it became one of the most popular big game hunting cartridges for mid sized game worldwide, because of its relatively mild recoil and flat trajectory within ...

  4. Table of handgun and rifle cartridges - Wikipedia

    en.wikipedia.org/wiki/Table_of_handgun_and_rifle...

    Bottlenecked high velocity PDW cartridge designed by FN Herstal. Designed in response to NATO requests for a replacement for the 9×19mm cartridge. Frequently used in the FN Five-seven Pistol. 5.8×42mm DBP87: 1987 China R 5.8×42mm 3100 1395 0.9 0.236 42mm Chinese service rifle QBZ-95: 6×57mm Mauser 1895 Germany R 6×57mm 2600 0.236 57mm

  5. .277 Fury - Wikipedia

    en.wikipedia.org/wiki/.277_Fury

    The .277 Fury SAAMI (voluntary) MAP chamber pressure of 80,000 psi (551.6 MPa) enables a 135 grains (8.7 g) projectile muzzle velocity of 3,000 feet per second (914 m/s) from a 16-inch (406 mm) barrel. [1] [10] It also means that the .277 Fury is normally chambered in small arms that are capable of handling the accompanying bolt thrust safely.

  6. 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.

  7. Nosler cartridges - Wikipedia

    en.wikipedia.org/wiki/Nosler_cartridges

    When firing a 9.7 g (150 gr) AccuBond Long Range bullet from a rifle with a 660 mm (26 in) barrel, the .27 Nosler has an approximately 120 m/s (400 ft/s) advantage over the .270 Winchester, about a 90 m/s (300 ft/s) advantage over the .270 WSM, and about a 30–46 m/s (100–150 ft/s) velocity advantage over the .270 Weatherby. The primary use ...

  8. List of AR platform cartridges - Wikipedia

    en.wikipedia.org/wiki/List_of_AR_platform_cartridges

    On the other hand, a .223 Wylde chamber is used on .223 Rem rifle barrels to allow them to safely fire either .223 Remington or 5.56×45mm NATO ammunition. [6].223 Winchester Super Short Magnum [6].224 Kritzeck (wildcat of a .223 Remington with shortened neck) [7].224 Valkyrie

  9. .277 Wolverine - Wikipedia

    en.wikipedia.org/wiki/.277_Wolverine

    A new barrel is the minimum required component to convert a standard AR-15 to .277 Wolverine. In order to load heavier (therefore longer) bullets to magazine length without the problems of seating the bullet's ogive into the case mouth, the Wolverine case is shortened to approximately 39 mm from its 45 mm parent brass.