Convert your standard mil spec AR 15, M4, M16 lower assembly to use 45ACP 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 gun enthusiasts alike.

The Stern Mag-AD series adapters are made of aircraft grade aluminum, lightweight with ergonomic design.   

Note: These adapters require the use of a 45ACP barrel, and a Glock cut bolt.

Technical Information:

⦁    Made in the U.S.A.

⦁    Constructed from 6061 T6 aircraft grade aluminum.

⦁    4140 NiB coated feed ramp.

⦁    Hard coat anodized type 3.

⦁    Sturdy Construction.

⦁    Ergonomic mag release.

⦁    Works with all generations of M&P magazines.

⦁    Works with any mil spec ar15 lower receiver.

THIS MUST BE USED WITH A 11 OUNCE BUFFER OR HEAVIER WHEN USING A CARBINE SPRING. 

45ACP UPPERS MUST HAVE AN ENLARGED EJECTION PORT.