Stern Defense AR-15 Mag Well Adapter for M&P 9mm/40S&W, Black- MAG-ADMP9&40
- Brand: Stern Defense
- Model: Mag Well Adapter
- Fits: M&P 9mm and 40 S&W
- Material: 6061 T6 aircraft grade aluminum
- Finish: Hard coat anodized type 3
- **Must be used with a 5.4 oz. buffer or heavier when using a carbine spring
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 or 40S&W barrel, "depending on chosen caliber" and a Glock cut bolt.
- 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 AR-15 lower receiver.
- All gun components besides the Bolt and Barrel remain stock