Winchester's PDX1 Defender 5.56 ammunition delivers controlled expansion and reliable penetration for modern sporting rifles. Engineered for personal defense with 64-grain projectiles at 2800 fps.
Winchester's PDX1 Defender line represents a thoughtful approach to personal defense ammunition for modern sporting rifles. This 5.56 loading balances three critical performance factors that matter when defensive accuracy counts.
Controlled Expansion and Penetration The 64-grain projectile is engineered to expand reliably while maintaining sufficient weight retention to achieve adequate penetration through intermediate barriers. This balance ensures the round performs consistently across varying defensive scenarios.
Winchester designed this ammunition specifically for shooters who rely on modern sporting rifles for home defense or personal protection. The consistent velocity and reliable expansion characteristics make it suitable for both experienced shooters and those newer to defensive rifle use.
The PDX1 Defender line represents Winchester's commitment to delivering ammunition that performs when it matters most.