Home / Accessory-Magazines / Warne M&P 9/40 MAG EXTENSION BLK View cart “Springfield Armory MAGAZINE XD-S 40SW 6RD” has been added to your cart. Sale! Warne M&P 9/40 MAG EXTENSION BLK$4999 Original price was: $4999.$4869Current price is: $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 Ruger MOON CLIPS GP100 10MM 3-PACK $1695 Sale! Beretta MAGAZINE PX4 SUBCMPCT 9MM 13RD $4900 Original price was: $4900.$4219Current price is: $4219. Smith and Wesson MAGAZINE M&P45 10RD FDE BASE $4200 Savage Arms MAG MOD 93 17HMR/22MAG 5SH BL $1900