Stern Defense Mag-AD .45 ACP Magazine Adapter for AR-15 Lower with Last Round Hold Open

Product Description\nThe Stern Defense Mag-AD .45 ACP adapter converts a standard mil-spec AR-15, M4, or M16 lower assembly to accept .45 ACP M&P magazines. Designed for fast installation, it enhances the AR platform by enabling reliable feeding with compatible M&P .45 ACP mags and includes a last round hold open feature for improved function and handling. Built from aluminum with a black anodized finish, it is a durable solution for .45 ACP AR-pattern builds.\nProduct Highlights\n\n Converts mil-spec AR-15/M4/M16 lower assemblies to accept .45 ACP M&P magazines\n Fast-install Mag-AD adapter design for quick platform conversion\n Last round hold open feature for improved reliability and usability\n Aluminum construction with black anodized finish for durability\n Purpose-built for .45 ACP AR-platform projects using M&P magazine pattern\n\nSpecs\n\n \nBrand: STERN DEFENSE\n \nManufacturer Part Number: 001SDMAGADMP45ACPM\n \nUPC: 850001176002\n \nType: Magazine adapter\n \nCaliber: .45 ACP\n \nCompatibility: Standard mil-spec AR-15 / M4 / M16 lower assemblies; accepts .45 ACP M&P magazines\n \nMaterial: Aluminum\n \nFinish/Color: Black anodized\n \nWeight (listed): 0.5850 lb