Home / Accessory-Magazines / Warne M&P 9/40 MAG EXTENSION FDE View cart “SIG SAUER MAG SP2022 357SIG/40S&W 12RD” has been added to your cart. Sale! Warne M&P 9/40 MAG EXTENSION FDE$5499 Original price was: $5499.$5237Current price is: $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 Taurus MAG 1911 OFFICER 45ACP 6RD $3499 SIG SAUER MAG SP2022 357SIG/40S&W 12RD $4999 Springfield Armory MAGAZINE XDE 9MM 8RD FLUSH FIT $3699 FN MAGAZINE FN 509 9MM 10RD FDE $5699