Description
Underwood’s .40 S&W 115gr Xtreme Defender rounds are engineered for maximum penetration in self-defense situations. These cartridges feature a solid copper bullet with a unique fluted design that creates a wound channel without relying on expansion. The Xtreme Defender bullet is designed to penetrate barriers while maintaining its effectiveness, making it ideal for personal protection and law enforcement use.
Features/Specs:
- Caliber: .40 S&W
- Bullet Weight: 115 grains
- Bullet Type: Solid Copper Xtreme Defender
- Muzzle Velocity: 1400 fps
- Muzzle Energy: 501 ft-lbs
- Rounds Per Box: 20
- Case Material: Nickel-plated brass
- Reloadable: Yes
- Bullet Diameter: 0.4 inches
- Sectional Density: 0.100
- Lead-free bullet construction
- Suppressor safe




