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.

THIS MUST BE USED WITH A 11 OUNCE BUFFER OR HEAVIER WHEN USING A CARBINE SPRING.Click here to view it.

45ACP UPPERS MUST HAVE AN ENLARGED EJECTION PORT.

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.

Compatibility Questions Click here!