Home / Accessory-Magazines / SIG SAUER MAG P365X-MACRO 9MM 21RD EXT View cart “Warne M&P 9/40 MAG EXTENSION BLK” has been added to your cart. SIG SAUER MAG P365X-MACRO 9MM 21RD EXT$6499 In stock SIG SAUER MAG P365X-MACRO 9MM 21RD EXT quantity Add to cart SKU: 8901594 Category: Accessory-Magazines Product ID: 119322 Description Description Fits All P365 9mm Models Related products Taurus MAG 1911 OFFICER 45ACP 6RD $3499 Beretta MAGAZINE MODEL 96 40S&W 11RD $3500 Springfield Armory MAGAZINE XD 40SW 12RD SERV/TAC $3099 Walther Arms MAGAZINE PPK/S 22LR 10RD $3900