Enhance the performance of your Wilson Combat full-size 8-rounds .45 ACP 500 series ETM magazines for sustained heavy-duty use with our spring and follower kit or replace worn and weakened springs in your full-size 8-rounds .45 ACP ETM heavy-duty/+P magazines. Our superior ETM polymer follower is combined with the MAX flatwire spring. The heat-treated stainless steel MAX flatwire construction is designed to resist stress and over-compression, unlike conventional springs and is guaranteed to never require replacement, even after extensive use or daily, extreme-duty applications. The ETM Max spring/follower kit will enhance reliability in all compatible magazines, particularly in demanding service environments. This spring and follower are compatible with all types of ammunition, from light target loads to +P service ammunition.

The Wilson Combat magazines are designed for full-size firearms, offering compatibility with .45 ACP ammunition and a capacity of 8-round
Anti-tilt follower magazine - ensures smooth, reliable feeding by preventing tilt and jams, optimizing performance and reliability in your firearm
Up to 25% stronger than standard 1911 magazine springs, ensuring superior reliability with defensive and +P loads, and improved slide lockback
The MAX flatwire spring ensures consistent feeding tension throughout the magazine's lifespan, as guaranteed by extensive testing by the Wilson Combat shooting team
The heat-treated stainless MAX spring offers maximum corrosion resistance, preventing corrosion in high humidity or marine environments, a common cause of service pistol spring fatigue

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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.