- The Allen Company Ammo Card is a modern solution to keep your shotgun ammo ready for a quick reload. Tailored to accommodate 7 rounds of 12-gauge shotgun shells, this card effortlessly attaches to your shotgun using adhesive-backed hook and loop technology. Thanks to its adaptable design, you have the freedom to position the ammo card exactly where it best suits you. Our innovation ensures seamless convenience and accessibility. Plus, enjoy the added convenience of adhesive-backed Velcro mounting tape, making installation a breeze. Allen’s Ammo Card provides you with ammo at your fingertips, convenience in every shot.