Underwood Xtreme Defender 9mm Luger 90gr
Solid copper monolithic design delivers controlled penetration up to 18 inches with exceptional permanent wound cavity. Nickel-plated brass casings resist corrosion and tarnishing.
Underwood Xtreme Defender: Purpose-Built Self-Defense Ammunition
The Xtreme Defender represents a thoughtful evolution in defensive ammunition design. Built on proven engineering principles, this 90-grain solid copper round prioritizes what matters most in a defensive scenario: reliable performance and consistent results.
Performance Characteristics
Penetration and Wound Cavity
- Optimized nose flute geometry achieves controlled penetration to approximately 18 inches
- Permanent wound cavity exceeds 100% larger diameter and volume compared to conventional expanding hollow points
- Maintains expansion even after passing through common barriers
Construction
- Solid copper monolithic body ensures barrier performance is not compromised by wallboard, sheet metal, or automotive glass
- No jacket separation or fragmentation
- Consistent, predictable performance across varying conditions
Ammunition Specifications
- Caliber: 9mm Luger
- Bullet Weight: 90 grains
- Bullet Type: Solid copper monolithic
- Case: Nickel-plated brass
- Packaging: 20 rounds per box, 10 boxes per case
Case Quality
Nickel-plated brass casings offer genuine advantages over traditional brass. The nickel plating improves feeding reliability across all firearm actions, resists corrosion in humid environments, and prevents tarnishing during storage or contact with leather and moisture. Reloaders will appreciate the improved cosmetics and easier cleanup.
The Xtreme Defender is ammunition designed for those who take their defensive responsibilities seriously.
