MPS-12 Magazine Extension for M&P 9 Shield

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Product Overview

Maximize your Smith & Wesson M&P 9 SHIELD's effectiveness with the FAB Defense M&P 9 SHIELD Grip Magazine Extension +4. The FAB Defense M&P 9 SHIELD Polymer Grip Magazine Extension adds 4 more rounds to your Smith and Wesson magazine in a way that maintains its low profile. The special ergonomic design enables secure manipulation of the magazine and a full grip on the weapon when the magazine is in use, making the FAB Defense SHIELD Grip Magazine +4 Extension Grip a must-have for those situations that conceal-and-carries like the M&P 9 SHIELD were made for.


  • Adds 4 rounds for a total of 10 rounds in the magazine!
  • Enables a full grip on the handgun
  • Contoured finger indents for a firm grip during magazine manipulation
  • Innovative spring plate allows the use of the original magazine spring
  • Fiberglass reinforced polymer construction
  • Smith & Wesson M&P 9 SHIELD