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  2. Caliber conversion device - Wikipedia

    en.wikipedia.org/wiki/Caliber_conversion_device

    Conversions for rifles and carbines of larger caliber, such as the AK-47 or Thompson submachine gun include a rifled insert barrel extending beyond the length of the chamber. [9] [10] One exception to the use of a special lightweight bolt was the Colt Service Ace, offered as a complete pistol or as a conversion kit for the M1911.

  3. .308 Winchester - Wikipedia

    en.wikipedia.org/wiki/.308_Winchester

    The .308 Winchester has a 3.64 mL (56 gr H 2 O) cartridge case capacity. [9] The exterior shape of the case was designed to promote reliable case feeding and extraction in bolt-action rifles and machine guns alike, under extreme conditions. .308 Winchester maximum C.I.P. cartridge dimensions. All dimensions in millimeters (mm) and inches.

  4. .338 Federal - Wikipedia

    en.wikipedia.org/wiki/.338_Federal

    Source(s): Nosler Load Data, [1] Hodgedon Reloading Data Center [2] The .338 Federal is a rifle cartridge based on the .308 Winchester case necked up to .33 caliber . It was created by Federal Cartridge and Sako in 2006 and intended as a big-game cartridge with reasonable recoil for lightweight rifles.

  5. .308 Marlin Express - Wikipedia

    en.wikipedia.org/wiki/.308_Marlin_Express

    The .308 Marlin Express is a cartridge developed in 2007 by Marlin Firearms and Hornady. It is based on the .307 Winchester with a goal to duplicate .308 Winchester performance. The cartridge uses a slightly shorter, semi-rimmed case similar to that of the .220 Swift to function in lever-action rifles.

  6. ArmaLite AR-30 - Wikipedia

    en.wikipedia.org/wiki/Armalite_AR-30

    ArmaLite announced the introduction of the AR-31 at the National Association of Sporting Goods Wholesalers Expo in October 2013. The AR-31 is a short-action rifle based on the long-action AR-30A1. The initial rifle offered was chambered in .308 Win, and the rifle will accept AR-10B magazines. [5]

  7. List of rifle cartridges - Wikipedia

    en.wikipedia.org/wiki/List_of_rifle_cartridges

    .25-20 Winchester.25-35 Winchester.25-45 Sharps.297/250 Rook.250-3000 Savage.255 Jeffery Rook.256 Gibbs Magnum.256 Newton.256 Winchester Magnum.257 Roberts.257 Weatherby Magnum.26 Nosler.260 Remington.264 LBC-AR.264 Winchester Magnum.270 Weatherby Magnum.270 Winchester.270 Winchester Short Magnum.275 H&H Magnum.275 No 2 Magnum.275 Rigby.276 Enfield

  8. Brügger & Thomet APR - Wikipedia

    en.wikipedia.org/wiki/Brügger_&_Thomet_APR

    The rifle's barrel has an unconventional 279 mm (1:11 in) right-hand twist rate, optimized for firing .338-calibre very-low-drag bullets up to 16.85 g (260 gr). Longer, heavier very-low-drag bullets like the Sierra HPBT MatchKing .338-calibre 19.44 g (300 gr) can be used, but require a 254 mm (1:10 in) twist rate to stabilize them under high ...

  9. Ruger Precision Rifle - Wikipedia

    en.wikipedia.org/wiki/Ruger_Precision_Rifle

    A newer Ruger Precision Rifle "Gen 2" was announced on 6 May 2016 with several enhancements over the original. [4] The new version includes a new handguard, a hybrid muzzle brake (5/8-24 threaded), and a billet aluminum bolt shroud. The announced models were: .308 Win with 1:10 RH twist, 20 in (51 cm) barrel, weighing 9.8 lb (4.4 kg) [5]