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pre 223/5,56 mm cartridges

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  • pre 223/5,56 mm cartridges

    Winchester had developed the 224 cartridge, then the 224E1 but still need a better example and developed the 224E2. Winchester had a wood and steel rifle that was very lightweight. Stoner and Armalite took the 222 Remington and made it longer with a different shoulder. Sierra helped with the bullet design. It was called the 222 Remington Special. Both the Winchester 224E2 and the Armalite 222 Remington Special had to punch through a steel helmet at 500 yards, they did it. As the testing continued, Winchester decided not to invest anymore into this project (they also got a contract to manufacture M14 rifles). The Winchester 224E2 could be fired in the AR-15 but the 222 Remington Special was too long to chamber.

    First photo shows 224E2 and 222REM SPECIAL 2nd photo shows WCC 58 and 222REM and third photo shows a 4,85x49mm that the UK wanted for their SA80 rifle
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