Description
Underwood’s .40 S&W 140gr Xtreme Defender rounds are designed 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 heavier 140-grain bullet provides increased momentum and energy transfer, making it an excellent choice for personal protection and law enforcement applications.
Features/Specs:
- Caliber: .40 S&W
- Bullet Weight: 140 grains
- Bullet Type: Solid Copper Xtreme Defender
- Muzzle Velocity: 1200 fps (estimated)
- Muzzle Energy: 448 ft-lbs (estimated)
- Rounds Per Box: 20
- Case Material: Nickel-plated brass
- Reloadable: Yes
- Bullet Diameter: 0.4 inches
- Lead-free bullet construction
- Optimized for barrier penetration




