5.56 x 45 mm M855
0.224 inches (5.7 mm)
62 grain
2,700 ft/s (820 m/s)
ArmaLite contacted Remington
1963
Easy Guide to Buying and Collecting Ammo
5.56 x 45 mm M855
0.224 inches (5.7 mm)
62 grain
2,700 ft/s (820 m/s)
ArmaLite contacted Remington
1963
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