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  2. List of military headstamps - Wikipedia

    en.wikipedia.org/wiki/List_of_military_headstamps

    Early ammunition had a 4-digit year with the first 2 digits (thousands and hundreds) at 9 o'clock and the second 2 digits (tens and ones) at 3 o'clock. Ammunition with an E at the 12 o'clock position (which stands for Ersättning, or "Substitute") have a bimetallic cartridge-case (brass-clad steel) due to wartime economy measures during World ...

  3. .223 Remington - Wikipedia

    en.wikipedia.org/wiki/.223_Remington

    The .223 Remington (designated 223 Remington by SAAMI [4] and 223 Rem. by the C.I.P., [5] pronounced "two-twenty three") is a rimless, bottlenecked, centerfire intermediate cartridge. It was developed in 1957 by Remington Arms and Fairchild Industries for the U.S. Continental Army Command of the United States Army as part of a project to create ...

  4. List of AR platform cartridges - Wikipedia

    en.wikipedia.org/wiki/List_of_AR_platform_cartridges

    Many of the popular 7.62x39 cases are made from steel, which will not work for reforming the shoulder. 277 Wolverine : Standard military 5.56x45 case (also .223), shoulder is reformed lower, length is trimmed, neck is sized to .277 6.8 SPC (.277) : Proprietary. Developed as an all new cartridge in the hopes of gaining a military contract.

  5. 6×45mm - Wikipedia

    en.wikipedia.org/wiki/6×45mm

    Since the cartridge was never commercially adopted by an ammunition manufacturer, it has remained a wildcat cartridge since its inception. However, making cases from existing .223 Remington brass is as simple as running the case through a 6×45mm die. The availability of .223 cases, the ease of forming, and the light powder charge make for a ...

  6. Headstamp - Wikipedia

    en.wikipedia.org/wiki/Headstamp

    The ammunition plant was used to make .303 British, 7.9mm Mauser and 9×19mm Parabellum military ammunition during World War 2 from 1940 to 1945. Pretoria Metal Pressing made cases for them without a headstamp that were sold in foreign markets under the Musgrave match ammunition brand during the embargo. mus Musgrave Ammunition (1976?–1978 ...

  7. .223 Winchester Super Short Magnum - Wikipedia

    en.wikipedia.org/wiki/.223_Winchester_Super...

    The .223 WSSM was introduced in 2003 by the Browning Arms Company, Winchester Ammunition, and Winchester Repeating Arms Company. The .223 designation is a reference to the popular .223 Remington. It is currently the fastest production .22 caliber round in the world with muzzle velocities as high as 4,600 feet per second (1,402 meters per second).

  8. .17-223 - Wikipedia

    en.wikipedia.org/wiki/.17-223

    Parent case.223 Remington: Case type: Rimless, bottleneck ... Ammo Guide [1] The .17-223 / 4.4x45mm is a centerfire wildcat rifle cartridge.

  9. Thompson/Center Ugalde - Wikipedia

    en.wikipedia.org/wiki/Thompson/Center_Ugalde

    While not as strong as bolt action designs, such as the Remington XP-100, the Contender is capable of handling medium power cartridges, and many wildcats appeared based on cartridges such as the .30-30 Winchester and the .223 Remington. The TCU family is formed by necking up the .223 to the new diameter, and fire forming to reduce case taper ...