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Leader in personal defense ammo
Split Core Technology
Quick expansion front lead core
Deep driving bonded rear lead core
20 rounds per box
The PDX1 Defender line from Winchester continues to lead the industry in personal defense ammunition. Given the recent popularity of modern sporting rifles (MSR) among shooters and hunters, Winchester has designed a product using Split Core Technology (SCT) for personal defense. The SCT technology, uses a quick expansion front lead core and a deep driving bonded rear lead core for the ultimate ammo. 20 rounds per box.