Product Description The Chip McCormick Match Grade Full Size 1911 Magazine is a premium USGI-style fixed base magazine engineered with significant improvements over standard military-spec designs. Built for reliability and precision, this magazine features die-controlled tolerances held to +/- .001" - more than 75% tighter than typical military specifications. The stainless steel tube is laser welded for superior strength and finished in a black fluoropolymer coating for long-lasting durability and smooth operation in dirty environments. Aerospace-grade rocket wire springs maintain consistent tension round after round, while numbered witness holes allow shooters to quickly assess remaining ammunition at a glance. Compatible with full-size 1911 pistols in .45 ACP, this 8-round magazine delivers flush fit, easy insertion and removal, and the confidence of Chip McCormick&';s 100% satisfaction guarantee. Product Highlights Match Grade Tolerances: Die-controlled to +/- .001", over 75% tighter than standard military specs for superior feeding reliability. Aerospace-Grade Rocket Wire Spring: High tensile spring ensures consistent feed tension and long-lasting durability across thousands of cycles. Laser Welded Stainless Steel Tube: Black fluoropolymer finish resists corrosion and wear while providing smooth insertion and extraction. Numbered Witness Holes: Large, numbered viewing holes allow instant round count identification without removing the magazine. Flush Fit Design: Welded base plate drilled for optional base pad upgrades, with flush profile for minimal bulk and easy concealment. Specs Brand: Chip McCormick Manufacturer Part Number (MPN): CMKMMG45FS8B UPC: 750958734754 Caliber: .45 ACP Capacity: 8 Rounds Fit: Full Size 1911 Finish: Black Fluoropolymer Material: Stainless Steel Style: USGI Fixed Base Construction: Laser Welded Tube Spring Material: High Tensile Aerospace-Grade Rocket Wire Base Plate: Welded, Drilled for Base Pad Profile: Flush Fit 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.