Top takeaways

  1. The Stern Defense AR-15 9mm Conversion Adapter allows the use of S&W M&P or Sig 320/250 magazines in any mil-spec AR-15 lower receiver.
  2. Installation is quick and straightforward, with the added benefit of a last-round bolt hold open feature.
  3. The adapter is machined from aircraft grade aluminum, ensuring a lightweight and durable construction.

Attributes

Make: AR-15 Delivery weight: 0.272kg

Item details

Made in USA
US export classification: 0A501.x