Product DescriptionThe Cross Armory Double Stack for the Smith & Wesson M&P Shield connects two separate M&P Shield magazines using a patented locking key designed for a secure, reliable hold. Built to help streamline reloads where magazine capacity restrictions apply, it is CNC machined from lightweight 7075-T6 aircraft-grade aluminum and finished with a hard anodized coating for durability. It can also function as a weighted base plate to help magazines drop more freely for faster reloads.Product Highlights Connects two M&P Shield magazines together with a patented locking key design Manufacturer states the configuration is 100% legal CNC machined from billet 7075-T6 aircraft-grade aluminum for strength with low weight Hard anodized finish for long-lasting wear and corrosion resistance Can be used as a weighted base plate to help magazines drop free for quicker reloadsSpecs Brand: CROSS ARMORY Product Name: Double Stack Compatibility: Smith & Wesson M&P Shield magazines Material: 7075-T6 aircraft-grade aluminum (billet) Manufacturing Method: CNC machined Finish: Hard anodized Manufacturer Part Number: CRSCRDSSHIELD UPC: 667486961920Disclaimer: 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.