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The U.S. designated the SS109 cartridge the M855 and first used it in the M16A2 rifle. The 62-grain round was heavier than the previous 55-grain M193. While the M855 had better armor penetrating ability, it is less likely to fragment after hitting a soft target. This lessens kinetic energy transfer to the target and reduces wounding capability.
|Bullet Profile||Full Metal Jacket (FMJ)|
|Bullet Weight||62 Gr|
|Velocity AVG||3000 FPS|