12 Gauge 10 Rounds Aluminum Magazine $39.99 Add To Cart DescriptionSpecificationsShipping & PaymentAdditional Info. IN STOCK 12 Gauge 10 rounds Aluminum magazine. This is a standard 12 Gauge magazine that fits in AR-12 Semi-automatic Shotguns. We offer discounts for any quantity more than 5 mags Item Number: 790191728 Shipping: Shipping: $5.99 Sales Tax: (TXonly)8.25% Ask a Question About this Item