Product Description Speer TMJ (Total Metal Jacket) handgun bullets are built for clean, consistent target performance. Unlike conventional full metal jacket designs that can leave lead exposed at the base, Speer uses Uni-Cor technology to fully encase the lead core in a seamless jacket for reduced airborne lead, dependable accuracy, and consistent results. This 180-grain .400" TMJ bullet is suited for popular .40/10mm reloading applications and is packaged 100 bullets per box (5 boxes per case). Product Highlights Total Metal Jacket (TMJ) design helps reduce exposed lead compared with traditional FMJ bases. Uni-Cor construction fully encases the lead core in a seamless jacket for clean, consistent shooting. 180 grain .400" diameter handgun bullet ideal for target and training loads. Uniform construction promotes consistent diameter and repeatable performance. Convenient bulk packaging: 100 bullets per box (5-box case pack). Specs Brand: Speer Ammo Manufacturer Part Number: 4402 UPC: 076683044020 Bullet Type: Total Metal Jacket (TMJ) Bullet Weight: 180 grain Bullet Diameter: .400 in Recommended Usage: Target Core Material: Lead Jacket Material: Copper Cannelure: No Sectional Density: 0.161 Quantity: 100 bullets per box Case Pack: 5 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.