Home / Accessory-Magazines / Warne M&P 9/40 MAG EXTENSION GRY Sale! Warne M&P 9/40 MAG EXTENSION GRY$5499 Original price was: $5499.$5237Current price is: $5237. In stock Warne M&P 9/40 MAG EXTENSION GRY quantity Add to cart SKU: MESW-5/4GR Category: Accessory-Magazines Product ID: 43530 Description Description +5 9MM | +4 .40 Mag Extension6061 T6 Aluminum BilletType 2 Anodized Finish Related products Ruger MOON CLIPS GP100 10MM 3-PACK $1695 FN MAGAZINE FN 509M 9MM 10RD $5699 Sale! Ruger MAGAZINE SR40/SR40C 15RD $4895 Original price was: $4895.$4610Current price is: $4610. Springfield Armory MAGAZINE XD-S 40SW 6RD $3099