Winchester Defender 5.56 NATO 64gr Bonded

Winchester Defender 5.56 NATO Ammunition

Winchester's Defender line represents a comprehensive approach to personal defense ammunition, engineered specifically for modern sporting rifles chambered in 5.56 NATO.

Key Features

• 64-grain bonded bullet construction — Winchester's proprietary bonding process ensures the bullet core and jacket stay together through barriers and soft tissue
• Notched bullet jacket — Designed to promote controlled expansion while maintaining weight retention
• Optimized for rifle platforms — Ballistics and performance tuned for AR-15 and similar modern sporting rifles
• Personal defense focused — Engineered to deliver the ideal balance between expansion, retained weight, and penetration

Performance Characteristics

Defender ammunition prioritizes the three pillars of effective defensive ammunition: reliable expansion for stopping power, sufficient penetration to reach vital zones, and weight retention to maintain energy transfer. The bonded construction prevents jacket separation, ensuring consistent performance through intermediate barriers.

Specifications

• Caliber: 5.56 NATO
• Bullet Weight: 64 grains
• Bullet Type: Bonded Soft Point with notched jacket
• Package: 20 rounds per box, 10 boxes per case

Whether you're building a home defense rifle or upgrading your existing platform, Winchester Defender ammunition delivers the performance characteristics serious shooters demand.