Stern Defense AR15 Mag Well Adapter for M&P .45ACP Mags - MAG-ADMP45

Convert your standard Mil-Spec AR 15, M4, M16 lower assembly to use 45 ACP M&P 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 enthusiasts alike.Made in the USAConstructed from 6061 T6 aircraft grade aluminum4140 NiB coated feed rampHardcoat anodized type 3Sturdy constructionErgonomic mag releaseWorks with all generations of M&P magazinesWorks with any Mil-Spec AR15 lower receiver