FAB Defense MPS-12 Magazine Extension 4 Rounds M&P9 SHIELD Black fx-mps12b

FAB Defense MPS-12 Magazine Extension 4 Rounds M&P9 SHIELD Black fx-mps12b. 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 SHI