.223 may refer to:

• .223 Remington cartridge
• .223 MINISAS, a cartridge for close-quarter battle use
• .223 Winchester Super Short Magnum, a cartridge based on the Winchester Short Magnum case
• .223 Wylde chamber, a hybrid rifle chamber designed to allow .22 caliber barrels to safely fire either .223 Remington or 5.56×45mm NATO ammunition

Search for ".223" on Wikipedia.

• All pages with titles beginning with .223
• All pages with titles containing .223
• 223 (disambiguation)

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