Product Description The Wheeler 320 Grit Lapping Compound is designed to help polish firearm bores by smoothing tool marks left during barrel manufacturing, which can improve cleaning and overall performance. This 1 oz jar of abrasive compound is intended for use during the barrel-lapping process, allowing you to embed bullets with abrasive and fire them through the bore for a practical alternative to labor-intensive traditional hand-lapping methods. Ideal for a wide range of firearms-from older .22 rimfires to well-used hunting rifles-this compound supports a smoother bore finish for easier maintenance. Product Highlights 320 grit abrasive lapping compound formulated to help polish barrel bores and reduce tool marks Helps support easier barrel cleaning and improved bore appearance through the lapping process 1 oz jar is convenient for firearm maintenance kits and workshop use Designed for embedding into lead or jacketed bullets for roll-load-shoot lapping methods Suitable for use across many firearm types, including rimfire and centerfire rifles Specs Brand: Wheeler Manufacturer Part Number: WHE378413 UPC: 661120190349 Grit: 320 Net Contents: 1 oz Product Type: Barrel lapping compound (abrasive paste) 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.