{"product_id":"mesa-surshl-al-moss-500-590-4-12ga","title":"Mesa Tactical SureShell Aluminum Carrier – Mossberg 500\/590 (4-Round, 12 Gauge)","description":"\u003cp\u003eThe Mesa Tactical SureShell Aluminum Carrier mounts directly to the receiver of Mossberg 500 and 590 shotguns, providing secure storage for four additional 12-gauge shells. This side-saddle design keeps extra ammunition within immediate reach without interfering with sight picture or cheek weld, making it a practical upgrade for home defense, law enforcement, or tactical applications where fast reloads matter.\u003c\/p\u003e\u003cp\u003eCNC-machined from aircraft-grade aluminum with a hard-anodized finish for corrosion resistance and durability. Installation requires no permanent modification to the shotgun—the carrier replaces the existing trigger group pins with included longer pins. Basic disassembly of the trigger group is required; familiarity with shotgun assembly or professional installation is recommended for those unfamiliar with the process.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Side-saddle shell carrier\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e Mossberg 500, Mossberg 590\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 4 rounds (12 gauge)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aircraft-grade aluminum, CNC-machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Hard-anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Replaces trigger group pins—basic disassembly required; professional installation recommended if unfamiliar with shotgun assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Carrier, extended trigger group pins, installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mesa Tactical","offers":[{"title":"Default Title","offer_id":47938706014463,"sku":"MESA91240","price":85.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/3568967.jpg?v=1766525848","url":"https:\/\/doublestackstore.com\/products\/mesa-surshl-al-moss-500-590-4-12ga","provider":"Double Stack Store","version":"1.0","type":"link"}