Winchester Silvertip 300 AAC Blackout Ammunition 150 Grain Defensive Tip - W300ST ammo review features the following information; Trusted when it matters most, Silvertip maximizes terminal ballistics with its large polymer tip for the Power to Defend.

Defense Tip: Large diameter polymer tip accelerates expansion, resulting in massive stopping power for defense situations Alloyed Lead Core: Optimizes energy transfer and consistent penetration Nickel-Plated Jacket: Provides corrosion resistance and reliable feeding in a variety of firearm types.