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  2. .300 Winchester Magnum - Wikipedia

    en.wikipedia.org/wiki/.300_Winchester_Magnum

    The .300 Winchester Magnum (also known as .300 Win Mag or .300 WM) (7.62×67mmB, 7.62x66BR) is a belted, bottlenecked magnum rifle cartridge that was introduced by the Winchester Repeating Arms Company in 1963. The .300 Winchester Magnum is a magnum cartridge designed to fit in a standard rifle action.

  3. .300 Remington Ultra Magnum - Wikipedia

    en.wikipedia.org/wiki/.300_Remington_Ultra_Magnum

    Remington ammunition for the .300 RUM is available in three Power Levels. Power Level I duplicates the .30-06 Springfield, Power Level II that of the .300 Winchester Magnum and Power Level III is the full power load. Remington offers the full power (Power Level III) .300 Remington Ultra Magnum ammunition in 150 gr (9.7 g) at 3,450 ft/s (1,050 m ...

  4. .300 Remington Short Action Ultra Magnum - Wikipedia

    en.wikipedia.org/wiki/.300_Remington_Short...

    .300 Remington Short Action Ultra Magnum (also known as 300 RSAUM, 300 RSUM or 300 Rem SAUM) is a .30 caliber short magnum cartridge that is a shortened version of the Remington 300 Ultra Mag, both of which derive from the .404 Jeffery case.

  5. List of Magnum cartridges - Wikipedia

    en.wikipedia.org/wiki/List_of_Magnum_cartridges

    A magnum cartridge is a firearm cartridge with a larger case size than, or derived from, a similar cartridge of the same projectile caliber and case shoulder shape. [ clarification needed ] The term derives from the .357 Magnum , the original revolver cartridge with this designation.

  6. .300 Winchester Short Magnum - Wikipedia

    en.wikipedia.org/wiki/.300_Winchester_Short_Magnum

    The .300 WSM also head-spaces off of the case shoulder, versus the older .300 Winchester Magnum's belted head space design. The advantage to this round is the ballistic performance is nearly identical to the .300 Winchester Magnum [ 2 ] in a lighter rifle with a shorter action burning 8 - 10% less gunpowder.

  7. .300 - Wikipedia

    en.wikipedia.org/wiki/.300

    .300 Winchester Short Magnum, rifle cartridge.300 Whisper, subsonic rifle cartridge.300 Lapua Magnum, rifle cartridge.300 Savage, rifle cartridge.300 Weatherby Magnum, rifle cartridge.300 Norma Magnum, rifle cartridge.300 H&H Magnum, rifle cartridge.300 Remington Short Action Ultra Magnum, rifle cartridge.300 Rook, obsolete rifle cartridge.300 ...

  8. .300 Ruger Compact Magnum - Wikipedia

    en.wikipedia.org/wiki/.300_Ruger_Compact_Magnum

    The .300 Ruger Compact Magnum uses a unique case designed by Hornady and Ruger based on the powerful .375 Ruger cartridge. The case is of a rimless design having the base and rim diameter of .532 in (13.5 mm) which is the same diameter of the belt on belted magnum cases based on the .300 H&H Magnum and .375 H&H Magnum. This allows the cartridge ...

  9. .300 Norma Magnum - Wikipedia

    en.wikipedia.org/wiki/.300_Norma_Magnum

    The .300 Norma Magnum, also known as .300 NM or 300 Norma, is a centerfire magnum rifle cartridge developed by Swedish ammunition manufacturer Norma Precision.The .300 Norma Magnum uses a .338 Norma Magnum parent case necked down to .30 caliber, [1] named to differentiate it from the older .308 Norma Magnum designed in 1960, and has begun to gain popularity among long-range shooters.