Home / Accessory-Magazines / Warne M&P 9/40 MAG EXTENSION FDE 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 Sale! Warne M&P 9/40 MAG EXTENSION BLK $4999 Original price was: $4999.$4869Current price is: $4869. Sale! Ruger MAGAZINE SR40/SR40C 15RD $4895 Original price was: $4895.$4610Current price is: $4610. SIG SAUER MAG 320/250 FULL 9MM 10RD $4999 Sale! ProMag PROMAG SIG P226 9MM 50RD DRUM $11499 Original price was: $11499.$8916Current price is: $8916.