Stern Defense announced the roll out of their latest AR-15 pistol-caliber carbine magazine well adapter MAG-ADMP9&40/P320 which allows you to use your Sig P320 magazines in your AR-15.

Stern Defense States ” Convert your standard mil spec AR 15, M4, M16 lower assembly to use 9mm and .40 S&W M&P and SIG P320 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.”

SPECS AND FEATURES:

-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 Sig 320 magazines
-Works with any mil spec ar15 lower receiver.
-All gun components besides the Bolt and Barrel remain stock

To learn more about Stern Defense and the new MAG-ADMP9&40/P320 Sig P320 to AR-15 mag well adapter. CLICK HERE