Description
Convert your standard mil spec AR 15, M4, M16 lower assembly to use 9mm and .40 S&W M&P and P320/P250 Magazines!The Mag-AD series adapters install in seconds.Boasting a last round hold open feature making them a breakthrough product and a must-have for law enforcement and civilian gun enthusiasts alike.
The Stern Mag-AD series adapters are made of aircraft grade aluminum, lightweight with ergonomic design.
