Home / Accessory-Magazines / Warne M&P 9/40 MAG EXTENSION BLK View cart “Beretta MAGAZINE PX4 SUBCMPCT 9MM 13RD” 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 Sale! Warne M&P 9/40 MAG EXTENSION FDE $5499 Original price was: $5499.$5237Current price is: $5237. Sale! Beretta MAGAZINE PX4 SUBCMPCT 9MM 13RD $4900 Original price was: $4900.$4219Current price is: $4219. Springfield Armory MAGAZINE XD-S 40SW 6RD $3099 SIG SAUER MAG 320/250 FULL 9MM 10RD $4999