{"product_id":"sig-p320-9mm-mag-ext-5-blk","title":"Warne SIG P320 9mm Magazine Extension +5 – Black Aluminum","description":"\u003cp\u003eThe Warne SIG P320 9mm Magazine Extension adds five rounds to factory SIG Sauer P320 9mm magazines, extending capacity without compromising reliability or fit. Machined from aircraft-grade aluminum with a Type III hard anodized black finish, this extension provides a secure grip surface and increased magazine capacity for range work, competition, or home defense applications.\u003c\/p\u003e\u003cp\u003eDesigned specifically for SIG P320 9mm magazines, the extension installs with the factory magazine spring and follower—no additional components required. The aluminum construction is lightweight yet durable, and the hard anodized finish resists wear and corrosion. Textured grip surface ensures positive handling during reloads.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Magazine extension\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e SIG Sauer P320 9mm magazines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity Increase:\u003c\/strong\u003e +5 rounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aircraft-grade aluminum, Type III hard anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Uses factory magazine spring and follower\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Increases magazine capacity for range, competition, or personal defense\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Warne","offers":[{"title":"Default Title","offer_id":47944255209727,"sku":"WNMESIG-5\/4BLK","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/wnmesig54blkb0fa.jpg?v=1766634803","url":"https:\/\/doublestackstore.com\/products\/sig-p320-9mm-mag-ext-5-blk","provider":"Double Stack Store","version":"1.0","type":"link"}