Lehigh Defense - Xtreme Defense 90 grain 9mm Bullet VS Solid Copper High-Speed Gel Test. Slowmo
This test compares Lehigh Defense's 90-grain Xtreme Defense 9mm bullet with and without flutes. The fluted version demonstrated superior energy transfer, dumping all its energy within 18 inches of ballistic gel. The non-fluted variant over-penetrated, highlighting the critical role of flutes in controlled terminal performance for defensive ammunition.









