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    Wikipedia
    https://en.wikipedia.org/wiki/M16_rifle
    M16 rifle - Wikipedia
    TypeAssault rifle
    Place of originUnited States
    In service1964–present
    DesignerEugene Stoner (AR-10) · L. James Sullivan (AR-15)
    Overview

    The M16 rifle (officially designated Rifle, Caliber 5.56 mm, M16) is a family of assault rifles adapted from the ArmaLite AR-15 rifle for the United States military. The original M16 rifle was a 5.56×45mm automatic rifle with a 20-r… See more

    History

    In 1928, a U.S. Army 'Caliber Board' conducted firing tests at Aberdeen Proving Ground and recommended transitioning to smaller caliber rounds, mentioning, in particular .27 in (6.86 mm) caliber. Largely in deferenc… See more

    Reliability

    During the early part of its service, the M16 had a reputation for poor reliability and a malfunction rate of two per 1000 rounds fired. The M16's action works by passing high-pressure propellant gasses, tapped from the ba… See more

    Design

    The M16 is a lightweight, 5.56 mm, air-cooled, gas-operated, magazine-fed assault rifle, with a rotating bolt. The M16's receivers are made of 7075 aluminum alloy, its barrel, bolt, and bolt carrier of steel, and its handgua… See more

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