The Sprinco USA flat wire magazine spring is engineered to enhance the performance and reliability of firearm magazines. Constructed from high-grade flat wire, this magazine spring is designed to provide consistent pressure and optimal feeding reliability. The flat wire construction offers superior durability and longevity compared to traditional round wire springs, reducing the risk of deformation and fatigue over time. This magazine spring is precision-manufactured to exacting standards, ensuring a precise fit and function within compatible magazine assemblies. The model is specifically tailored to meet the demands of high-capacity magazines, providing enhanced resilience under extended use and high-stress conditions. The Sprinco USA flat wire magazine spring is corrosion-resistant, ensuring reliable performance in various environmental conditions. Its design facilitates smooth and consistent operation, contributing to improved cycling and reduced failure rates during use. This product is ideal for users seeking to upgrade their magazine components for enhanced reliability and performance in both competitive and tactical applications.

Store your SHTF magazines at full capacity indefinitely without experiencing spring fatigue
Anti-tilt followers are designed to prevent springs from being excessively compressed, ensuring optimal performance and longevity of the mechanism
Enhanced follower support for the top four rounds, facilitating easier loading to full capacity
Springs, unlike round wire springs, maintain structural integrity and do not buckle, ensuring a consistent and uniform feed rate
The wire is constructed from 17-7 stainless steel, adhering to military specifications, ensuring durability and resistance to corrosion in demanding environments
The ISO 9001:2008 quality standards provide a framework for establishing, implementing, and maintaining effective quality management systems
Cryogenically treated flat wire magazine spring - enhanced durability and performance through advanced cryogenic processing for reliable magazine functionality

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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.