Samson Manufacturing's +1 Magazine Extension not only allows you to carry more ammo, it also aids in your ability to clear malfunctions. It is designed to drop free without catching on the shooters hand, while the leading edge is contoured to facilitate one-handed reloads and act as a finger groove. The magazine extension features relief cuts to aid in extracting magazine to clear malfunctions and uses factory magazine spring. The replacement base plate retainer is designed to ensure positive feeding using the factory magazine spring. This model has a black hardcoat anodized finish and is compatible with S&W M&P Shield 9/M&P Shield 9 M2.0.

Samson Manufacturing's +1 magazine extension not only allows you to carry more ammo, it also aids in your ability to clear malfunctions.

Features:

M&P 9 shield, M&P 9 shield M2.0 and M&P 40 shield
Provides +1 capacity on both 7 rounds and 8 rounds factory magazines
Designed to drop free without catching on the shooters hand
Relief cuts to aid in extracting magazine to clear Type III (double-feed) malfunctions and for one handed malfunction clearing
Leading edge is contoured to facilitate one-handed reloads and act as a finger groove
Uses factory magazine spring
Replacement base plate retainer designed to ensure positive feeding using the factory magazine spring

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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.