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.Note: These adapters require the use of a 9mm or40S&W barrel, “depending on chosen caliber” 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 P320 and P250 magazines
- Works with any mil spec ar15 lower receiver.
- All gun components besides the Bolt and Barrel remain stock.
Compatibility Questions Click here!







