This review details a ballistic gel test of Seismic Ammo's 9mm Quakemaker +M 185-grain rounds. The test, conducted by an experienced firearms instructor, evaluated performance through a heavy clothing barrier using a Ruger PC Charger and an HK SP5. The results indicated significant tumbling and a complete failure of the projectile to expand, leading to poor penetration performance and a negative recommendation for self-defense.
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