HST Shootout! 124gr vs 147gr 9mm Federal HST Ballistic Gel Test From a Taurus GX4! Which is BEST?
This ballistic gel test compares 124gr and 147gr Federal HST 9mm ammunition fired from a Taurus GX4 micro-compact pistol. Both weights achieved identical 14.5-inch penetration and exhibited excellent expansion, with the 147gr showing slightly larger expansion due to its higher mass. The test concludes that both weights perform comparably from short barrels for self-defense.









