AR-STONER 9mm Magazine Adapter Block AR-15

  • Product #: 900392
  • AR-Stoner #: 9MM-BLOCK
AR-STONER 9mm Magazine Adapter Block AR-15
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Ships today from MidwayUSA
Made in USA

Product Overview

1 Year MidwayUSA Exclusive Brand Warranty

MidwayUSA Exclusive Brand Warranty


  • Easily Converts Standard AR-15 Lowers
  • Accepts Colt Style 9mm Magazines
  • Anodized Aluminum Construction
  • Steel Insert for Feed Ramp
  • Quick & Easy Installation

The AR-STONER™ 9mm Magazine Adapter Block for the AR-15 platform converts your standard lower to accept 9mm rounds. The anodized aluminum, 9mm mag block with steel insert for feed ramp, accepts Colt style 9mm magazines.  Installation is quick and easy. Use a 1/16 and a 5/64 (not included) hex key on the the provided screws to lock down and secure this mag block. Building a pistol-caliber carbine or extending your day at the range is now easier and more cost effective with the addition of the AR-STONER™ 9mm Magazine Adapter Block.


NOTE: 1/16 & 5/64 Hex key are not included


Installation Directions

  1. Remove retaining screw & washer combo using 5/64 hex key
  2. Insert mag block into lower receiver
  3. Install retaining screw & washer combo
  4. Install set screws (x2) with the 1/16 hex key
Made In United States of America
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Product Information

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Delivery Information

Must Ship to FFL Dealer Yes
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Ships Alone Yes
Oversized Yes
DOT- Regulated Yes
Carrier Restrictions
  • Cannot ship via air
  • Cannot ship via USPS
  • Cannot ship to PO Box
  • Must ship to Contiguous US
HazMat Product Yes

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