The Tyrant CNC magazine extension, commonly referred to as base pads, is meticulously engineered to augment the ammunition capacity of Springfield Armory Echelon's 15 and 17-round magazines by an additional 5-rounds of 9mm. This enhancement is essential for users desiring increased capacity while maintaining the firearm's reliability and performance. Each Springfield Armory Echelon magazine extension is CNC machined from T6061 aerospace-grade aluminum, selected for its optimal strength-to-weight ratio. This precision machining ensures a flawless fit and function with Springfield Echelon models. The finishing process includes bead blasting followed by hardcoat anodizing, resulting in a durable, wear-resistant surface with aesthetic appeal. This finish aligns with Tyrant CNC's high-quality standards and complements the firearm's overall appearance. A notable feature of our Echelon magazine extension is its tool-less installation and removal capability, a significant improvement over other market options that often require tools and are susceptible to disassembly upon impact. This design emphasizes ease of use and maintenance, appealing to a broad user base. The proprietary 'NoBak' plunger technology is a critical component, ensuring our Springfield Echelon base pad/magazine extension remains securely attached, even when dropped from heights exceeding 10 feet with a fully loaded magazine. This feature instills confidence in the product's reliability under various conditions. Accompanied by a 10% power spring (110% stronger than OEM with an additional coil), this Springfield Echelon magazine extension is engineered to ensure consistent delivery of the final round and maintain slide hold-back after the last round is fired. This attention to detail in spring design enhances the firearm's overall functionality. Our Tyrant CNC base pads are designed not only for increased capacity and reliability but also for practical handling. The solid top and bottom ledges facilitate quick and efficient magazine changes, advantageous in fast-paced situations or when handling is compromised. This feature also aids in the removal of stuck magazines, highlighting the product's user-centric design. Consistent with Tyrant CNC's commitment to quality and aesthetics, the magazine extension's design harmonizes with the rest of the Tyrant CNC line for the Springfield Armory Echelon. This consistency ensures that users can achieve a cohesive and customized appearance for their firearms without sacrificing functionality.

This installation process does not necessitate the use of any tools, ensuring a straightforward and efficient setup experience for the user
The NoBak spring plunger technology ensures a robust and secure attachment, providing reliable stability and preventing unintentional detachment
Magazine's capacity by accommodating an additional five rounds of 9mm ammunition, thereby increasing overall firepower and operational efficiency

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Shipping Restrictions

It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

It is the customer’s responsibility for understanding state laws regarding magazine capacities. Palmetto State Armory abides by all state regulations regarding the sale of high capacity magazines. We DO NOT ship high-capacity magazines with firearms to certain states. We WILL NOT replace high capacity magazines with state compliant magazines. We DO NOT offer refunds in place of the magazines. Please see our terms and conditions for a list or restricted states.