.223 Remington

The .223 Remington is a cartridge with almost the same external dimensions as the 5.56×45mm NATO military cartridge. It is loaded with a 0.224-inch (5.56 mm) diameter jacketed bullet, with weights ranging from 40 to 90 grains (2.6 to 5.8 g), though the most common loading by far is 55 grains (3.6 g). While the external case dimensions are very similar, the .223 Remington and 5.56×45mm differ in both maximum pressure and chamber shape. This allows for .223 Remington ammunition to be safely fired in a rifle chambered for 5.56×45mm NATO. The reverse however, is not possible. [Wikipedia]

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.223 Remington

American Eagle 223 Rem 55gr FMJ (Packet of 20)

FEDERAL 223 REM 55GR FMJ BT AMERICAN EAGLE (20)

Federal 223 Rem 55gr Power Shok (Packet of 20)

FEDERAL 223 REM 62GR FUSION (20)

Norma 223 Rem 55gr Oryx (Packet of 20)

PMP 223 FMJBT Boxer 55GR

PMP 223 Rem 55gr Brown Box (Packet of 20)

REM 223 55GR PSP AMMUNITION

S&B 223 REM 55GR FMJ (100) BULK PACK

S&B 223 REM 55GR FMJ (100) BULK PACK (NEW)

S&B 223 REM 55GR S/P (20) (NEW)

Winchester 223 Rem 55gr FMJ (Packet of 20)