Ar-15 9mm Conversion Adapter - Ar-15 9mm Conversion Adapter For S&W M&P/Sig 320 Magazines

There's no need to go with a pistol-caliber specific AR lower on your next pistol-caliber carbine build. With the Stern Defense AR-15 9mm Conversion Adapter you have the ability to utilize popular pistol magazines which you may already have a supply of. Stern Defense make two differ models of their Conversion Adapter, one which uses GlockA(R) magazines, and one which uses either Smith & Wesson M&P or Sig 320/250 magazines. The Stern Defense AR-15 9mm Conversion Adapter is easily installed into