Product Description Speer Lead Round Balls are built for traditional muzzleloading and black powder shooting, with a classic round ball profile designed for consistent performance. Speer takes great care to deliver superior smoothness and shape uniformity to help support better accuracy and repeatable results. These .45 caliber round balls are sized at .457 inch diameter and come packed in a protective black plastic box for convenient storage and handling. Product Highlights Precision-made Speer lead round balls for traditional muzzleloaders and black powder shooting Superior smoothness and shape uniformity to help improve accuracy consistency .457 inch diameter round ball design intended for .45 caliber applications (follow your firearm manufacturer&&';;s recommendation) Convenient protective black plastic packaging for storage and transport 100-count box; 5 boxes per case for easy stocking Specs Brand: Speer Ammo Manufacturer Part Number: 5137 UPC: 076683051370 Projectile Type: Lead round ball Caliber: .45 caliber Diameter: 0.457 in Projectile Weight: 143 gr (approx.) Count: 100 per box Case Pack: 5 boxes per case Material: Lead 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.