Product Description The Tyrant CNC Magazine Extension is designed to increase the ammunition capacity of Springfield Armory Echelon 15- and 17-round magazines by an additional 5 rounds of 9mm. Each extension is CNC machined from T6061 aerospace-grade aluminum for strength with a precise fit. The finishing process includes bead blasting followed by a hardcoat anodize for enhanced durability and wear resistance, finished in a standout gold color. Product Highlights Adds +5 rounds of 9mm capacity to Springfield Armory Echelon 15- and 17-round magazines Precision CNC machined from T6061 aerospace-grade aluminum Bead-blasted and hardcoat anodized for long-lasting durability Gold anodized finish for a premium look and corrosion resistance Ideal magazine upgrade for range, competition, and training use Specs Brand: TYRANT CNC Manufacturer Part Number: TDECHEMAGEX17GOLD UPC: 764046031243 Product Type: Magazine Extension Caliber: 9mm Capacity Increase: +5 rounds Firearm Fit: Springfield Armory Echelon (15- and 17-round magazines) Material: T6061 aerospace-grade aluminum Finish: Bead blasted; hardcoat anodized Color: Gold 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.