Stern Defense Conversion Block - Beretta 92 9mm Magazines

Manufactured by Stern Defense
MPN: 001-SD-MAG-AD-B92-9MM-M
Manufactured by Stern Defense
2 Reviews

In Stock

NOTE: Limit 3 per household. Quantities exceeding 3 will not allow checkout.

We are fully staffed and processing orders. Standard orders are shipping in approximately 1 business days or less. FFL orders take approximately 10 business days or less if you can provide us an actively receiving FFL location. Due to high demand, there is a limit of 5 FFL items in a 30 day period.



The Stern Defense Magazine Conversion Block allows you to use 9mm Beretta 92 magazines in your favorite standard AR-15 lower receiver. This magazine adapter installs in seconds and features last round bolt hold open functionality – a welcome improvement when compared to other PCC builds. The Stern Defense MAG-ADB92 adapter is constructed from 6061-T6 aluminum with a 4140 steel NiB coated feed ramp and are designed to be used with a Glock cut bolt. If you are looking to convert a standard AR to use 9mm, this mag well adapter is a perfect start.

  • Designed for use with 9mm barrels and Glock cut bolts
  • Constructed from 6061-T6 aluminum with type 3 hardcoat anodized finish
  • 4140 steel NiB coated feed ramp
  • Ergonomic magazine release
  • Last round bolt hold open
  • Works with all generations of Beretta 92 magazines
  • Works with any Mil-Spec lower receiver
  • Made in the U.S.A.

With pistol caliber AR-15s on the rise in popularity, Stern Defense is leading the way with innovative components to convert your standard AR lower to be compatible with pistol magazines from Glock, S&W, and even Beretta in a variety of calibers. Stern Defense is located in Missouri and dedicated to helping you build the ultimate pistol caliber carbine.
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BrandStern Defense
Fitment9mm Beretta 92 Magazines

WARNING: This Product can expose you to chemicals which is known to state of California to cause Cancer and Reproductive Harm. For more information, see

Ratings & Reviews

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Not sure where to start,OK lets start with a great price and then on to a great product.High quality and perfect fit and function as expected and without a doubt a big thank you to P/A. Not only did they ship the same day but I had my item in hand in 3 days and it was Veterans day. This is a company I want to deal with and hope to for many years to come.Thanks P/A you have a customer for life...Joe


by -

Just a quick update, recently made a range trip and I have to say the Stern Defense conversion block worked flawlessly. Installed in a BCA multi cal lower with a BCA 9mm upper, I would highly recommend this product and as always Primary Arms for great customer service !