Product DescriptionUpgrade your Magpul PMAG setup with the Die Free Co Dos Boot in Black. This tool-less, drop-in magazine base plate extension is designed to add +2 rounds while improving handling with a contoured, convex profile and aggressive tread for solid contact. Built to help keep your rifle low and stable in prone shooting, the Dos Boot also enhances grip and control for faster, more confident reloads. Made to blend seamlessly with an all-black loadout, it's a rugged, reliable upgrade for hard use.Product Highlights Adds +2 rounds capacity while enhancing magazine control and handling. Tool-less, drop-in replacement base plate design for quick installation. Aggressive tread provides solid contact and improved grip during reloads. Convex/contoured shape helps keep the rifle stable and low in prone positions. Compatible with Magpul PMAG Gen M3 10/20/30/40 magazines (designed for 20-round mags).Specs Brand: DIE FREE CO LLC Model: Dos Boot Type: Magazine extension / base plate Color: Black Finish: Matte Capacity Increase: +2 rounds Compatibility: Magpul PMAG Gen M3 10/20/30/40 magazines (optimized for 20-round magazines) Material: High-impact injection molded plastic Country of Manufacture: Made in USA Manufacturer Part Number: DOSBOOTBLK UPC: 860013578121Disclaimer: 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.