Underwood Xtreme Defender .38 Special +P 100gr

Underwood Xtreme Defender .38 Special +P

The Xtreme Defender represents a significant advancement in defensive ammunition design. Built on proven Xtreme Penetrator technology, this round combines precision engineering with real-world stopping power.

Performance Characteristics

Penetration and Wound Cavity

• Optimized nose flute design achieves controlled penetration to approximately 18 inches
• Permanent wound cavity diameter and volume exceed 100% larger than conventional expanding hollow points
• Expansion occurs reliably even after passing through intermediate barriers

Ballistics

• Muzzle velocity: 1,300 feet per second
• Muzzle energy: 375 foot-pounds
• 100-grain solid copper construction

Construction and Reliability

The solid copper body ensures consistent performance regardless of what lies between you and your target. Wallboard, sheet metal, and automotive glass present no obstacle to the permanent wound channel.

Nickel-plated brass casings offer several practical advantages over traditional brass:

• Enhanced feeding reliability across all firearm actions
• Superior corrosion resistance
• Resistance to tarnishing during storage
• Easier cleanup during reloading
• Professional appearance

Specifications

• Caliber: .38 Special +P
• Bullet Weight: 100 grains
• Bullet Type: Solid Copper Monolithic
• Case: Nickel-plated brass
• Quantity: 20 rounds per box