The current M855 round used by the military is slated to be replaced by a new lead free M855 LFS round. The ATK/Lake City developed projectile uses a bismuth-tin core and will feature reduced flash, increased velocity, and better aerodynamics. The new M855 LFS projectile does not use a FMJ construction. Unlike current M855, the dark grey steel penetrator of the new M855 LFS extends THROUGH the jacket nose
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