Home / Accessory-Magazines / Warne M&P 9/40 MAG EXTENSION FDE Sale! Warne M&P 9/40 MAG EXTENSION FDE$5499 $5237 In stock Warne M&P 9/40 MAG EXTENSION FDE quantity Add to cart SKU: MESW-5/4DE Category: Accessory-Magazines Product ID: 25955 Description Description +5 9MM | +4 .40 Mag Extension6061 T6 Aluminum BilletType 2 Anodized Finish Related products Walther Arms MAGAZINE PPK/S 22LR 10RD $3900 Sale! Ruger SECURITY9 COMPACT MAG 9MM 10RD $4295 $4191 Walther Arms MAGAZINE PPQ M2 45ACP 12RD $4900 Ruger MOON CLIPS GP100 10MM 3-PACK $1695