The Sprinco USA flat wire magazine spring is engineered to enhance the performance and reliability of firearm magazines. This component is constructed using high-tensile flat wire, which provides superior durability and consistent pressure throughout the magazine's lifecycle. The flat wire design optimizes space within the magazine, allowing for increased capacity and smoother feeding of ammunition. This spring is precision-manufactured to meet stringent quality standards, ensuring compatibility with a wide range of magazine models. Its robust construction minimizes the risk of deformation and fatigue, thereby extending the operational lifespan of the magazine. Ideal for both professional and recreational use, the Sprinco USA flat wire magazine spring is a critical upgrade for those seeking enhanced magazine performance and reliability.

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.