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 day or less. FFL orders take approximately 5 business days if you can provide us an actively receiving FFL location.



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 !