This FN 5.7x28 SS198LF ballistic gel test reveals a lead-free round averaging 2033 FPS and 248 ft-lbs of energy. While designed to tumble and dissipate energy, it achieved under 9 inches of penetration in gel, falling short of the FBI's 12-inch standard. The low recoil allows for fast follow-up shots, but terminal ballistics remain a point of debate.
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