FMJ Battle! .380 vs 9mm Full Metal Jacket Ballistic Gel Test! Which Caliber is the BEST?
This video details a ballistic gel test comparing .380 ACP and 9mm Luger Full Metal Jacket (FMJ) ammunition. The test measures projectile velocity and penetration depth, revealing unexpected results where the .380 ACP, specifically a flat-nose FMJ, achieved greater penetration than the 9mm Luger round nose FMJ. The instructor highlights the importance of bullet design in terminal ballistics.











