Adapter that lets a mil-spec AR-15/M4/M16 lower use 9mm and .40 S&W S&W M&P and Sig P320/P250 magazines, with last-round hold open.
- Manufacturer Part # : 001SDMAGADMP9AND40/P32
- Type : Magazine Adapter
- Caliber : 9mm/.40 S&W
- Finish : Type 3 Hard Anodized
- Material : Aircraft Grade Aluminum
- Fits : AR-15/M4/M16 lowers; M&P and P320/P250 magazines
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