556 (disambiguation)

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Primary topic: 556

556 may refer to:

  • 556 (number)
  • 556 BC
  • Unterseeboot 556, a German submarine
  • 5.56mm or 5.56x45mm NATO, a common rifle cartridge
  • 556 productions, amateur flash artist group
  • Sig 556, a commercial variant of the Sig SG 551 rifle designed for the American civilian market.
This disambiguation page lists articles associated with the same number. If an internal link led you here, you may wish to change the link to point directly to the intended article.
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