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Convert your standard mil spec AR 15, M4, M16 lower assembly to use 9mm and .40 S&W Glock 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-AD9 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.

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 Glock magazines.
⦁    Works with any mil spec ar15 lower receiver.
⦁     All gun components besides the Bolt and Barrel remain stock
View compatibility questions here:

DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.



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Stern Defense Mag Adapter for Glock 9MM and 40S&W

Our Price:

Stern Defense Mag Adapter for Glock 9MM and 40S&W
  • MSRP$179.99
  • UPC860141001508

Total in stock: 3

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5004 State Highway 74 Cape Girardeau, MO 63701
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