158 grains is a normal heavyweight for the .357 caliber and boasts considerable momentum as well as impressive penetration. Upon impact, the JSP is designed to begin flattening at the nose resulting in a controlled rate of expansion during entry. This is made possible by the high strength copper jacket and core-locking cannelure which help the round punch through thick gristle and bone before coming to a complete stop in vital areas; the effect delivers more energy to arteries and organs and yields a quicker drop on game animals. The toothed cannelure also serves secure the bullet to its crimp for maximized accuracy potential.
Winchester has over 150 years of experience as the backbone of the American shooting tradition. Their Super-X line offers hunters excellent performance and consistent reliability at an affordable cost.
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