{"product_id":"nordic-9-mxt-tube-12ga-bk-needs-nut","title":"Nordic Components +9 MXT Magazine Extension Tube for 12 Gauge Shotguns – Black (Requires Magazine Nut)","description":"\u003cp\u003eThe Nordic Components MXT Magazine Extension Tube adds 9 rounds of capacity to your 12-gauge shotgun, extending your firing capability for competition, tactical applications, or home defense. This extension tube replaces your factory magazine cap and extends the magazine tube forward, allowing you to load additional shells without compromising reliability. Ideal for 3-gun competitors who need maximum capacity or tactical shooters running extended strings of fire.\u003c\/p\u003e\u003cp\u003eMachined from lightweight aluminum with a durable black anodized finish, this extension tube is designed for long-term use in demanding environments. Installation requires a compatible magazine nut (sold separately) and basic gunsmithing knowledge—while many shooters can install this themselves, professional installation is recommended if you're unfamiliar with shotgun magazine systems. The MXT tube's precise machining ensures smooth feeding and reliable function when properly installed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Magazine Extension Tube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e +9 Rounds (12 Gauge)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e 12-Gauge Shotguns (verify compatibility with your specific model)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires Magazine Nut (Sold Separately) – Professional Installation Recommended\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Extension Tube Only\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nordic Components","offers":[{"title":"Default Title","offer_id":47938527035647,"sku":"NCMXT-TBS-12-9K","price":73.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1282593.jpg?v=1766518478","url":"https:\/\/doublestackstore.com\/products\/nordic-9-mxt-tube-12ga-bk-needs-nut","provider":"Double Stack Store","version":"1.0","type":"link"}