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  2. Special Purpose Individual Weapon - Wikipedia

    en.wikipedia.org/wiki/Special_Purpose_Individual...

    The Special Purpose Individual Weapon (SPIW) was a long-running United States Army program to develop, in part, a flechette-firing "rifle", though other concepts were also involved. The concepts continued to be tested under the Future Rifle Program and again in the 1980s under the Advanced Combat Rifle program, but neither program resulted in a ...

  3. M203 grenade launcher - Wikipedia

    en.wikipedia.org/wiki/M203_grenade_launcher

    The M203 was the only part of the United States Army's Special Purpose Individual Weapon (SPIW) project to go into production. The M203 has been in service since 1969 [1] and was introduced to US military forces during the early 1970s, replacing the M79 grenade launcher and the conceptually similar Colt XM148 design. However, while the M79 was ...

  4. Lightweight Small Arms Technologies - Wikipedia

    en.wikipedia.org/wiki/Lightweight_Small_Arms...

    Following a series of military programs to investigate advances in small arms (SPIW, Future Rifle, ACR, OICW), the LSAT program is the US military's latest project to replace existing US small arms. Tactical concepts and the research from the previous small arms programs indicates that lightening small arms is the first significant step towards ...

  5. AAI ACR - Wikipedia

    en.wikipedia.org/wiki/AAI_ACR

    The AAI ACR was a prototype flechette-firing assault rifle built for the US Army's Advanced Combat Rifle program of 1989/90. Although the AAI design proved effective, as did most of the weapons submitted, the entire ACR program ended with none of the entrants achieving performance 100% better than the M16A2, the baseline for a successful ACR weapon.

  6. Flechette - Wikipedia

    en.wikipedia.org/wiki/Flechette

    Examples of various small-arms flechettes (scale in inches) A flechette or flèchette (/ f l eɪ ˈ ʃ ɛ t / fle-SHET) is a pointed, fin-stabilized steel projectile.The name comes from French flèchette (from flèche), meaning "little arrow" or "dart", and sometimes retains the grave accent in English: flèchette.

  7. Dardick tround - Wikipedia

    en.wikipedia.org/wiki/Dardick_tround

    Dardick 1500 with trounds. The Dardick tround, or simply tround (triangular round), is a unique firearms cartridge developed by inventor David Dardick for use in his open-chamber firearms.

  8. Needlegun - Wikipedia

    en.wikipedia.org/wiki/Needlegun

    5.56mm Point Target SPIW (Special Purpose Individual Weapon) at the National Firearms Museum. The Special Purpose Individual Weapon was a long-running United States Army program to develop, in part, a workable XM-216 flechette-based "rifle", though other concepts were also involved.

  9. Grenade launcher - Wikipedia

    en.wikipedia.org/wiki/Grenade_launcher

    A United States Army Special Forces advisor instructing a Vietnamese Civilian Irregular Defense Group trainee on how to use an M79 grenade launcher. A grenade launcher [1] [2] [3] is a weapon that fires a specially designed, large-caliber projectile, often with an explosive, smoke, or gas warhead.