Description
Underwood’s .44 S&W Special 220gr Xtreme Penetrator 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 heavier 220-grain bullet provides increased momentum and energy transfer, making it an excellent choice for personal protection in .44 Special firearms.
Features/Specs:
- Caliber: .44 S&W Special
- Bullet Weight: 220 grains
- Bullet Type: Solid Copper Xtreme Penetrator
- Muzzle Velocity: 950 fps (estimated)
- Muzzle Energy: 440 ft-lbs (estimated)
- Rounds Per Box: 20
- Case Material: Brass
- Reloadable: Yes
- Bullet Diameter: 0.429 inches
- Lead-free bullet construction
- Optimized for barrier penetration
- Suitable for self-defense




