Home / Accessory-Magazines / Warne M&P 9/40 MAG EXTENSION BLK View cart “Bergara MAGAZINE B14R 22LR 10RD AICS” has been added to your cart. Sale! Warne M&P 9/40 MAG EXTENSION BLK$4999 $4869 In stock Warne M&P 9/40 MAG EXTENSION BLK quantity Add to cart SKU: MESW-5/4BLK Category: Accessory-Magazines Product ID: 26021 Description Description +5 9MM | +4 .40 Mag Extension6061 T6 Aluminum BilletType 2 Anodized Finish Related products Springfield Armory MAGAZINE XDE 9MM 8RD FLUSH FIT $3699 SIG SAUER MAG SP2022 357SIG/40S&W 12RD $4999 Taurus MAG 1911 OFFICER 45ACP 6RD $3499 Sale! Ruger SECURITY9 COMPACT MAG 9MM 10RD $4295 $4191