Product Description The Winchester Ammo WB40HP180X Centerfire Handgun Reloading Bullets are precision-engineered components built for serious .40 S&W and 10mm reloaders. Each 180-grain Jacketed Hollow Point bullet is custom-designed and manufactured to exact specifications, delivering consistent, reliable on-target performance. Featuring a copper jacket over a lead core, these bullets promote reliable expansion and controlled energy transfer. Made in the USA, each box contains 100 bullets, making them an excellent choice for high-volume reloading and personal defense applications alike. Winchester&';s reputation for quality and consistency is backed by over 150 years of ammunition manufacturing expertise. Product Highlights Custom-Designed Precision: Manufactured to exact tolerances for consistent on-target performance and reliable feeding in a wide range of handguns. Jacketed Hollow Point Construction: Copper jacket over a lead core promotes reliable expansion and effective energy transfer upon impact. Compatible with .40 S&W and 10mm: 0.400" diameter, 180-grain bullets are suited for both .40 S&W and 10mm reloading applications. High-Volume Value: Each box contains 100 bullets, with 10 boxes per case, ideal for dedicated reloaders who demand quality at volume. Made in the USA: Produced domestically to Winchester&';s stringent quality control standards, ensuring batch-to-batch consistency. Specs Brand: Winchester Ammo MPN: WB40HP180X UPC: 020892633889 Caliber: .40 S&W / 10mm Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 180 Grain Bullet Diameter: 0.400" Jacket Material: Copper Core Material: Lead Quantity: 100 Bullets per Box / 10 Boxes per Case Country of Manufacture: USA Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.