Product Description The Chip McCormick Custom RPM (Railed Power Mag) is a heavy-duty 1911 magazine engineered for maximum reliability and durability in demanding conditions. Built with a stainless-steel body and an extended base pad, this .45 ACP magazine is designed to fit 1911 Government (full-size) pistols and provides a 10-round capacity. Its signature dual-wall feed-rail design helps create a smooth feeding surface while reinforcing the feed lips for long-term performance. Product Highlights RPM (Railed Power Mag) design with dual-wall feed rails for enhanced strength and smooth feeding 10-round .45 ACP capacity for 1911 Government (full-size) pistols Stainless-steel construction for durability and long service life Black fluoropolymer finish for added protection and reduced friction Purpose-built 1911 magazine designed to maximize reliability under hard use Specs Brand: Chip McCormick Custom Manufacturer Part Number: MRPM45FS10B UPC: 750958734723 Model: Power Mag (Railed / RPM) Firearm Fit: 1911 Government Caliber: .45 ACP Capacity: 10 rounds Material: Stainless Steel Finish/Color: Black fluoropolymer 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.