UNDERWOOD 9MM LUGER 90GR XTREME DEFENDER 20RD Upper Receivers This high-performance round features a

This high-performance round features a solid copper

-155 grain

The MonoFlex bullet is an all-copper expanding design that ensures deep penetration and consistent expansion on game

Muzzle Energy: 2198 ft-lbs

UNDERWOOD 9MM LUGER 90GR XTREME DEFENDER 20RD Upper Receivers This high-performance round features aUnderwood's 9mm Luger 90gr Xtreme Defender rounds combine innovative design with powerful performance. The solid copper construction ensures weight retention and deep penetration, while the fluted tip creates a wound channel through hydraulic displacement. These rounds offer increased velocity and energy compared to standard loads, making them ideal for self defense applications. The lead free design is environmentally friendly and suitable for use in